Thesaurus > Find Words Starting With O

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Oa is for oath.
Ob is for obtain, obstruction and objection.
Oc is for occur, occurrence and ocean.
Od is for odd.
Of is for of all time and of course.
Oh is for ohio.
Oi is for oily.
Ol is for olympic.
Om is for omit.
On is for on paper.
Op is for operator, opposition and operational.
Or is for ordered and ordinarily.
Os is for ossification.
Ot is for other(a).
Ou is for outdoor(a).
Ov is for overlap.
Ow is for owner.
Ox is for oxygen.
Oy is for oyabun.
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