Words Starting With "O"
Browse our collection of 6,015 words that start with "O".
6,015
Total Words
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OPPORTUNITY
noun
OPPOSABLE
adjective
OPPOSE
verb
OPPOSITE
adverb
OPPOSITION
noun
OPPRESSION
noun
OPPRESS
verb
OPPRESSIVE
adjective
OPS
noun
OPT
verb
OPTIC
adjective
OPTICIAN
noun
OPTICAL
adjective
OPTICS
noun
OPTIMAL
adjective
OPTIMISM
noun
OPTIMISTIC
adjective
OPTIMIST
noun
OPTIMIZE
verb
OPTIMUM
adjective
OPTIONAL
adjective
OPTION
noun
OPTOMETRIST
noun
OPULENT
adjective
OPULENCE
noun
OPUS
noun
OR
noun
ORA
ORACLE
noun
ORAL
adjective
ORANG
noun
ORAN
noun
ORANGE
adjective
ORANGEADE
noun
ORANGY
ORANGUTAN
noun
ORATOR
noun
ORATION
noun
ORB
noun
ORATORY
noun
ORBIT
noun
ORBITAL
ORCA
noun
ORCHARD
noun
ORCHESTRAL
ORCHESTRATE
verb
ORCHESTRA
noun
ORCHID
noun
ORDAIN
verb
ORDEAL
noun