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Top 120 English words that start with the letter O - Page 1

None Noun Pronoun Verb Adjective Adverb Preposition Conjunction Interjection
None Beginner Elementary Intermediate Upper Intermediate Advanced Proficient
Most used Less used Most difficult Less difficult
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
obligatory
one
occur
originality
ornate
oasis
organized
obdurate
orientate
object
organization
ownership
obedient
old
overhead
offer
opposed
odious
originally
oatmeal
offense
optimal
ostrich
open
opposite
outrage
outlet
oust
observe
odium
occluded
overthrow
original
obstreperous
oyster
occupation
obscure
outlaw
overwhelm
outward
oval
orison
odor
occupy
occasional
oblige
odd
opinion
operative
operator
owner
outsider
optimistic
outbreak
off
onion
official
oppression
oblong
oxide
ordinary
order
office
oxygen
oppose
organize
offhand
observer
optimum
oblivious
octopus
obligate
offend
opener
obligation
ominous
optimism
offering
objective
only
onetime
orientation
offence
output
outlook
overseas
overnight
occurrence
obedience
obfuscate
obloquy
oversleep
obviously
outright
outnumber
objection
outing
orbit
ostensible
outer
obsess
overwhelming
obsequious
overall
ordain
orphan
ours
ought
overlap
offset
overflow
offensive
orchestra
onus
overhear
ore
operate
overcome
observation
originate
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Top 120 English words that start with the letter O - Page 1