unigram

This is a table of type unigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.

unigram	frequency
water	1740
per	729
feet	604
well	597
will	567
may	563
fig	559
chlorine	518
one	487
used	389
illustration	352
time	348
two	342
sewage	339
made	337
surface	324
pipe	313
also	307
iron	278
work	276
cost	270
boring	265
supply	258
concrete	248
sand	247
diameter	247
found	241
hole	238
effect	236
inches	233
shown	230
house	222
pipes	221
system	217
ft	217
sea	214
bottom	213
large	210
cm	208
depth	204
use	203
wells	202
results	200
flow	200
strata	199
small	198
necessary	196
obtained	196
clay	194
bleach	193
day	193
level	191
must	191
high	190
line	185
table	185
reservoir	183
first	182
cent	179
river	178
required	176
city	176
quantity	175
end	175
available	175
action	175
hours	172
point	172
taken	171
gallons	171
total	165
lower	164
part	163
length	163
works	162
sewer	161
refuse	155
new	154
great	153
bore	152
tank	151
period	149
much	148
carried	148
ground	148
less	147
inch	147
rate	146
position	146
case	144
method	143
rods	143
rock	142
cement	141
general	140
top	138
average	137
sewers	137
near	137
tide	136
form	136
means	136
conditions	135
acid	134
matter	134
pressure	132
hypochlorite	132
tides	131
hour	131
earth	130
side	130
figs	130
place	129
area	128
given	127
tool	127
without	126
pesos	126
placed	126
ordinary	125
many	124
plate	123
rainfall	121
disposal	119
solution	118
similar	117
monterrey	117
mr	117
due	116
head	115
three	115
soil	114
tube	114
following	114
however	113
low	113
distance	112
half	112
shaft	111
long	110
construction	110
whole	110
free	109
various	109
chalk	109
material	109
ditto	108
present	106
weight	106
london	106
number	106
upper	106
years	105
cases	105
valve	104
etc	104
cast	104
rod	103
height	103
tanks	103
treatment	102
possible	102
process	101
considerable	101
fixed	101
gas	101
usually	100
air	100
parts	99
either	99
order	98
every	98
discharge	98
amount	97
four	97
greater	97
generally	97
laid	97
dosage	96
although	96
deep	96
ammonia	95
section	95
different	95
sufficient	95
liquid	95
velocity	94
therefore	93
town	93
main	93
purpose	92
red	92
days	92
removed	91
employed	91
beds	91
plant	91
fall	91
sanitary	91
little	90
street	89
dry	88
yield	88
outfall	88
cloth	88
chlorination	87
sandstone	86
minutes	86
current	86
snow	86
streets	86
foot	86
increase	85
cause	85
square	85
rain	85
materials	84
plan	84
tubes	83
joint	83
direction	83
several	83
joints	82
year	82
health	82
provided	82
portion	81
forms	81
shows	81
miles	80
within	79
manner	79
equal	78
coli	78
another	78
north	77
district	77
way	77
steel	76
lines	76
course	76
best	76
second	76
probably	76
spring	75
box	75
even	74
extent	74
frequently	74
bearing	74
power	74
south	74
full	74
cu	74
san	74
larger	74
approximately	73
hard	73
writer	73
contact	73
size	73
result	72
th	72
along	72
least	72
broken	72
working	72
sunk	72
cylinder	72
pump	72
addition	71
typhoid	71
wood	71
good	71
bed	71
kept	71
quantities	70
chapter	70
observations	70
cubic	70
public	70
practice	70
often	70
vo	69
minute	69
produced	69
points	68
formed	68
rope	68
flood	68
capacity	68
subject	67
wind	67
give	67
maximum	66
liters	66
operation	66
excavation	66
tubbing	66
chloride	66
tools	65
increased	65
containing	65
built	65
thick	65
away	64
old	64
might	64
latter	64
sinking	64
sodium	64
take	64
character	64
far	64
bacteria	63
make	63
land	63
attached	63
men	63
important	63
engineers	63
treated	63
force	63
design	63
set	63
float	63
always	63
nearly	63
special	62
organic	62
gives	62
local	62
temperature	61
drainage	61
centre	61
gravel	61
vertical	61
cart	61
now	61
times	61
added	61
hand	60
almost	60
concentration	60
million	60
contents	60
pumping	60
prevent	59
open	59
state	59
engineer	59
engineering	59
waters	59
known	59
moon	59
columns	58
solutions	58
road	58
apparatus	58
certain	58
steam	58
original	58
adopted	58
fact	58
towns	57
country	57
diagram	57
chloramine	57
author	57
sometimes	57
practically	57
show	57
sides	57
short	57
shall	56
pit	56
making	56
carts	56
purposes	56
together	56
pass	56
drawn	56
excess	55
estanzuela	55
view	55
storage	55
left	55
follows	55
constant	55
germicidal	55
proper	55
lime	55
practical	55
back	55
west	55
authority	54
pp	54
houses	54
ottawa	54
organisms	54
heavy	54
kind	54
stratum	54
type	54
salt	54
geronimo	54
santa	54
described	54
brewery	54
floor	54
experiments	54
lead	54
septic	54
lowered	53
pounds	53
paper	53
driven	53
tight	53
filled	53
suitable	53
value	53
according	53
especially	53
tubing	53
figure	52
holes	52
details	52
passing	52
roof	52
company	52
care	52
complete	52
gauge	52
stream	52
reduction	52
caused	52
connected	51
constructed	51
rise	51
actual	51
formation	51
easily	51
width	51
desirable	51
st	50
satisfactory	50
allowed	50
catarina	50
see	50
august	50
engine	50
strength	50
done	50
methods	49
field	49
motion	49
minimum	49
chamber	49
shafts	49
daily	49
designed	49
machine	48
tables	48
removal	48
trepan	48
gallery	48
nature	48
beams	48
cms	48
covered	48
cylinders	48
sin	48
station	47
population	47
cleansing	47
higher	47
account	47
thickness	47
drum	47
arrangement	47
continued	47
outlet	47
become	47
valves	47
elevation	46
mortar	46
proportion	46
question	46
using	46
run	46
chemical	46
lining	46
mean	46
places	46
stroke	46
infiltration	46
months	46
de	46
reduced	46
condition	46
bucket	45
wrought	45
light	45
calcium	45
storm	45
outside	45
screw	45
reaction	45
others	45
springs	45
angle	45
applied	45
called	45
outcrop	45
passed	45
seen	45
plates	45
inside	44
around	44
nil	44
find	44
operations	44
prepared	44
round	44
taking	44
cl	44
except	44
raised	44
tile	44
varying	44
smaller	43
put	43
owing	43
angles	43
datum	43
figures	43
varies	43
charge	43
six	43
tertiary	43
lb	43
tunnel	43
sun	43
sec	42
meter	42
properly	42
irrigation	42
dust	42
wide	42
limited	42
waste	42
sands	42
consists	42
numerous	42
impervious	42
brought	42
effective	42
messrs	42
becomes	42
sludge	42
tests	41
say	41
stated	41
series	41
fresh	41
difficulty	41
space	41
brick	41
completed	41
filter	41
next	41
control	40
previously	40
complaints	40
green	40
proposed	40
mixture	40
waterworks	40
turned	40
attention	40
coast	40
importance	40
immediately	40
service	40
whether	40
solid	40
causes	40
instead	40
last	39
circumstances	39
building	39
keep	39
still	39
falling	39
night	39
running	39
reach	39
oxygen	39
purification	39
england	39
discharged	39
colour	39
plants	39
basin	39
sources	38
carefully	38
column	38
paris	38
consequently	38
better	38
loss	38
stone	38
clear	38
gravity	38
difference	38
yard	38
watering	38
walls	38
entirely	38
weir	38
twenty	38
act	37
page	37
standard	37
frame	37
horizontal	37
indicated	37
turn	37
mixing	37
districts	37
thoroughly	37
machinery	37
showing	37
borings	37
flowing	37
considered	36
internal	36
reading	36
double	36
opposite	36
allow	36
notch	36
fire	36
labor	36
steining	36
ratio	36
mile	36
vary	36
produce	36
blocks	36
information	36
distribution	36
consideration	36
tidal	36
chlorinated	36
determined	36
effluent	36
including	36
obtain	36
variation	36
yards	36
ten	36
efficiency	36
soc	36
scheme	35
samples	35
formula	35
pumps	35
channel	35
compounds	35
mixed	35
royal	35
sections	35
exposed	35
rapid	35
brickwork	35
shell	35
remove	35
recommended	35
throughout	35
reached	35
connection	35
states	35
volume	35
object	34
already	34
usual	34
arranged	34
farm	34
ashpit	34
suspended	34
slightly	34
hill	34
wooden	34
forming	34
drain	34
readily	34
screwed	34
apart	34
third	34
base	34
cut	34
later	34
falls	34
cents	34
test	34
percentage	34
difficult	34
supplies	34
mm	34
scale	33
assoc	33
close	33
man	33
met	33
government	33
intended	33
delivered	33
right	33
machines	33
lengths	33
application	33
teeth	33
limestone	33
mass	33
overflow	33
calculated	33
five	33
marked	33
since	33
shore	33
lowest	33
crown	33
reason	33
provide	33
horse	33
require	33
east	33
hook	32
contract	32
trench	32
copper	32
sewerage	32
piece	32
driving	32
common	32
convenient	32
cleaning	32
advantage	32
introduced	32
greatest	32
clays	32
cross	32
single	32
gradually	32
board	32
dam	32
wastes	32
records	32
ring	32
mains	32
drift	32
final	32
passes	32
presence	32
beam	32
labour	32
dimensions	32
whilst	32
reservoirs	32
experience	32
supplied	32
face	31
occur	31
considerably	31
additional	31
iii	31
sq	31
piston	31
primary	31
co	31
direct	31
instances	31
unless	31
rapidly	31
strong	31
evidence	31
rates	31
ii	31
alone	31
occurs	31
separate	31
positions	31
slope	31
rule	31
data	31
resistance	31
rather	31
center	31
text	30
worked	30
across	30
placing	30
types	30
particularly	30
advantages	30
edge	30
closet	30
noted	30
degree	30
fever	30
secondary	30
obispado	30
like	30
beyond	30
reduce	30
directly	30
garbage	30
reference	30
annual	30
grapnel	30
block	30
absorption	30
bank	30
contained	30
continuous	30
sulphate	30
edition	30
description	30
eight	30
rocks	29
true	29
week	29
wave	29
flat	29
source	29
valley	29
hydraulic	29
ends	29
manure	29
bar	29
horses	29
raw	29
secured	29
assumed	29
nh	29
inst	29
slight	29
content	29
range	29
book	29
danger	29
contains	29
wall	29
ordnance	29
persons	29
commenced	29
ca	29
lowering	29
inlet	28
reported	28
depends	28
periods	28
simple	28
progress	28
chisel	28
enough	28
chief	28
layers	28
expected	28
white	28
changes	28
observed	28
mark	28
cesspools	28
plans	28
min	28
collection	28
deposits	28
example	28
matters	28
proved	28
systems	28
site	28
principal	28
electrolytic	28
change	28
takes	28
potassium	27
enlarged	27
though	27
mechanical	27
waves	27
otherwise	27
log	27
fitted	27
carrying	27
compared	27
coloured	27
raising	27
bell	27
drawing	27
circular	27
timber	27
cells	27
iv	27
cutting	27
laying	27
floods	27
pound	27
future	27
disinfection	27
embankment	27
mottled	27
yet	27
investigations	26
particular	26
roads	26
bridges	26
analysis	26
tons	26
bored	26
ready	26
extreme	26
directions	26
divided	26
appears	26
serious	26
ones	26
household	26
hypochlorites	26
distributing	26
provision	26
dark	26
trade	26
amounts	26
cities	26
expense	26
depths	26
june	26
currents	26
giving	26
efficient	26
composed	26
pieces	26
interest	26
layer	26
fine	26
acting	25
weather	25
mexico	25
decomposition	25
effected	25
selected	25
entire	25
destroyed	25
curb	25
american	25
tastes	25
scavenging	25
movement	25
pebbles	25
rises	25
setting	25
received	25
km	25
shallow	25
doubt	25
aqueduct	25
southern	25
occupied	25
situated	25
lined	25
sufficiently	25
comparatively	25
hypochlorous	25
authorities	25
sizes	25
catch	25
largely	25
pure	25
successful	25
sink	25
orifice	25
soft	24
manufacture	24
reinforced	24
passy	24
amer	24
quarter	24
executed	24
showed	24
able	24
permanent	24
boat	24
impermeable	24
proportions	24
held	24
desired	24
receive	24
destruction	24
western	24
deposit	24
liverpool	24
afterwards	24
regard	24
porous	24
somewhat	24
closed	24
quickly	24
conduit	24
chiefly	24
cell	24
referred	24
soon	24
guide	24
cover	24
thames	24
shaped	24
leaving	24
former	24
greensand	24
clean	24
hydrochloric	24
odours	24
absorbed	24
damage	24
previous	24
rings	24
conglomerate	23
forced	23
headings	23
gave	23
completely	23
determine	23
substance	23
never	23
estimate	23
invert	23
measure	23
hydrogen	23
railway	23
cutter	23
interior	23
stand	23
filtration	23
changed	23
get	23
adding	23
twelve	23
capable	23
blue	23
permit	23
liable	23
garden	23
index	23
difficulties	23
extensive	23
filters	23
privy	23
central	23
carry	23
prices	23
department	23
perhaps	23
avoid	23
sight	23
division	23
carbonic	23
flush	23
flints	23
soils	23
york	23
mentioned	23
meet	23
regarding	22
civil	22
illustrated	22
bacterial	22
germs	22
partially	22
hills	22
sum	22
shape	22
vi	22
mill	22
heat	22
load	22
appearance	22
root	22
indicate	22
ascertained	22
foreman	22
blasting	22
ix	22
examples	22
normal	22
month	22
relative	22
viii	22
filling	22
probable	22
hcl	22
structure	22
slowly	22
pollution	22
commercial	22
powder	22
thrown	22
fish	22
note	22
correct	22
caustic	22
excellent	22
jour	22
levels	22
likely	22
concession	22
merely	21
closets	21
tested	21
chisels	21
contractor	21
economical	21
appreciable	21
lifting	21
developed	21
partly	21
disposed	21
rest	21
early	21
quality	21
instrument	21
geological	21
america	21
requirements	21
buildings	21
sandy	21
inhabitants	21
affected	21
development	21
whose	21
wet	21
aftergrowths	21
manufactured	21
derived	21
fissures	21
inserted	21
sillar	21
gradient	21
tamping	21
measured	21
uniform	21
frequent	21
engaged	21
maintenance	21
collected	21
longer	21
map	21
lay	21
let	21
stations	21
fully	21
experienced	21
removing	21
remain	21
pumped	21
quite	21
disease	21
hot	21
drinking	21
surveying	21
glass	21
bad	20
localities	20
bridge	20
attraction	20
essential	20
fairly	20
subsoil	20
bricks	20
coal	20
solids	20
presented	20
replaced	20
advisable	20
ocean	20
committee	20
ashes	20
involved	20
mud	20
clearing	20
requires	20
freely	20
causing	20
prior	20
appear	20
influence	20
underground	20
dustbin	20
treatise	20
domestic	20
property	20
consisted	20
natural	20
branch	20
iodide	20
particles	20
marl	20
lift	20
electrical	20
stored	20
summer	20
extra	20
seems	20
thirty	20
scavengers	20
permeable	20
careful	20
escape	20
erected	20
opening	20
moss	20
body	20
turning	20
tower	19
diaphragm	19
majority	19
ocl	19
contain	19
substances	19
ventilating	19
trenches	19
van	19
salts	19
mather	19
interesting	19
wire	19
covering	19
front	19
portland	19
valuable	19
measures	19
based	19
pits	19
channels	19
towards	19
illustrations	19
kitchen	19
metal	19
occasionally	19
success	19
soda	19
abundant	19
requisite	19
deposited	19
comparison	19
increasing	19
allowing	19
shed	19
french	19
subsequent	19
approximate	19
adjoining	19
foundation	19
starch	19
increases	19
operated	19
report	19
receptacles	19
ascertain	19
respectively	19
emptied	19
steep	18
plain	18
fill	18
represents	18
laboratory	18
crest	18
slow	18
capita	18
consequence	18
opened	18
price	18
rideal	18
accurate	18
seven	18
portions	18
intake	18
winter	18
perfectly	18
estimated	18
grounds	18
composition	18
gate	18
gravels	18
arms	18
science	18
trouble	18
past	18
blow	18
straight	18
engravings	18
mexican	18
opinion	18
person	18
actually	18
move	18
strains	18
july	18
pole	18
protection	18
regulated	18
subsequently	18
annum	18
meters	18
death	18
grey	18
excessive	18
followed	18
crank	18
consider	18
useful	18
equivalent	18
flows	17
passage	17
constantly	17
farther	17
repairs	17
lin	17
maintained	17
loose	17
represent	17
excavated	17
consist	17
occurred	17
descent	17
definite	17
intervals	17
mo	17
production	17
magnesium	17
hourly	17
intensity	17
overcome	17
contamination	17
detail	17
accuracy	17
amounted	17
slide	17
plotted	17
german	17
agar	17
schuyler	17
brown	17
surfaces	17
admixture	17
remainder	17
instance	17
reaching	17
mode	17
ventilation	17
march	17
growth	17
acids	17
class	17
consumption	17
artesian	17
cesspool	17
combined	17
consisting	17
swept	17
clayey	17
mountains	17
vicinity	17
equally	17
friction	17
submerged	17
borne	17
rarely	17
washed	17
preparation	17
george	17
lost	17
chem	17
compound	17
pages	17
circumference	17
earlier	17
regarded	17
twice	17
hydrate	17
vii	17
construct	17
diver	17
effects	17
assume	17
standards	17
unable	17
introduction	17
self	16
shot	16
eng	16
february	16
thiosulphate	16
bolts	16
schemes	16
windlass	16
spread	16
activity	16
necessarily	16
foul	16
reaches	16
fluid	16
dangerous	16
record	16
people	16
support	16
english	16
experimental	16
abnormal	16
deeper	16
linear	16
saturated	16
valleys	16
enters	16
nitrogen	16
bacteriological	16
leaves	16
nearest	16
screen	16
dead	16
surrounding	16
products	16
greatly	16
september	16
reducing	16
became	16
moved	16
chaudron	16
basis	16
trough	16
compact	16
principles	16
rd	16
standing	16
parallel	16
limits	16
mineral	16
crib	16
traffic	16
inspection	16
mouth	16
variations	16
repeated	16
severe	16
factor	16
remaining	16
bleaching	16
examined	16
facilitate	16
dilute	16
installation	16
fort	16
calculations	16
disinfectant	16
temporary	16
mizer	16
sample	16
neap	16
oxidising	16
oil	16
invariably	16
frac	16
liquefying	16
compass	16
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cold	16
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tend	15
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serve	15
binckley	15
date	15
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notice	15
marine	15
render	15
traces	15
superficial	15
modern	15
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private	15
feed	15
liberal	15
exist	15
attempt	15
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arrangements	15
mining	15
need	15
wedging	15
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race	15
acted	15
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changing	15
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bound	15
yellow	15
evident	15
grease	15
rubbish	15
association	15
clamp	15
agricultural	15
non	15
enter	15
circle	15
easy	15
formations	15
siphon	15
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striking	15
specific	15
british	15
platform	15
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lever	15
established	15
monthly	15
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xi	14
ton	14
examination	14
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nuisance	14
math	14
fault	14
attributed	14
john	14
mills	14
capital	14
hydrolysis	14
visit	14
enable	14
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thereby	14
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life	14
stop	14
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clack	14
smith	14
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liquor	14
safe	14
add	14
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led	14
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grade	14
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just	14
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plane	14
getting	14
casting	14
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sold	14
typhosus	14
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stones	14
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respect	14
read	14
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flap	14
assuming	14
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pile	14
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rising	14
exception	14
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middle	14
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sets	14
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needed	14
black	14
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france	13
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dr	13
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thomas	13
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areas	13
monkey	13
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agent	13
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reagent	13
location	13
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tap	13
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comes	13
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gal	13
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prove	12
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oz	12
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oh	10
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hr	10
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xiv	10
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aid	9
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ash	9
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name	9
things	9
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