These are the most frequently used words in this book.
absence
account
age
almost
among
animals
another
area
between
birth
body
case
cause
century
certain
changes
children
cities
clean
cleanliness
country
day
death
described
disease
during
early
ed
effects
eighteenth
england
english
epidemics
europe
even
evidence
family
famine
fertility
first
food
form
found
good
great
hanley
health
high
history
houses
human
important
japan
japanese
large
later
less
level
life
little
london
long
malaria
marriage
may
morse
mortality
new
nineteenth
noted
number
often
part
particularly
people
per
period
place
plague
population
rates
see
seems
seventeenth
smith
societies
tea
three
time
two
use
used
village
war
water
women
work
world
years
yet