O
obey
object
observe
obtain
obvious
occupation
occupy
occur
ocean
o’clock
of
off
offer
office
officer
official
often
oh
oil
old
Olympic(s)
on
once
one
oneself
onion
online
only
onto
open
opera
operate
operation
operator
opinion
opportunity
opposite
optimistic
or
oral
orange
order
ordinary
organ
organisation
/organization
organise/organize origin
other
otherwise
ought
our
ours
ourselves
out
outcome
outdoors
outer
outgoing
outing
outline
output
outside
outstanding
over
overcoat
overcome
overweight
owe
own
owner
ox (pl. oxen)
oxygen
P
pace
pack
package
packet
paddle
page
pain
painful
paint
painter
painting
pair
palace
pale
pan
panda
panic
paper
paperwork
paragraph
parcel
pardon
parent
park n.
park
parking
parrot
part
participate
particular
partly
partner
part-time
party
pass
passage
passenger
passer-by
passive
passport
past
patent
path
patience
patient
patient n.
pattern
pause
pavement
pay (paid, paid) pea
peace
peaceful
peach
pear
pen
pencil
penny (pl. pence)
people
pepper
per
percent
percentage
perfect
perform
performance
perfume
perhaps
period
permanent
permission
permit
person
personal
personally
personnel
pessimistic
persuade
pet
petrol
phenomenon
(pl.phenomena) photo/photograph photographer
phrase
physical
physician
physicist
physics
pianist
piano
pick
picnic
picture
pie
piece
pig
pile
pill
pillow
pilot
pin
pine
pineapple
pink
pioneer
pipe
pity
place
plain
plan
plane/aeroplane planet
plant
plastic
plate
platform
play
player
playground
pleasant
please
pleased
pleasure
plenty
plot
plus
pocket
poem
poet
point
poison
poisonous
pole
police
policeman/woman
(pl. policemen
/women)
policy
polite
political
politics
pollute
pollution
pond
pool
poor
pop
popcorn
popular
population
pork
porridge
port
position
positive
possess
possession
possibility
possible
post
post n.
postage
postcard
postcode
poster
postman
pot
potato
potential
pound
pour
powder
power
powerful
practical
practice
practise/practice praise
pray
prayer
precious
precise
predict
prefer
preference
prejudice
premier
preparation
prepare
pre
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