9 Letter Words Starting with OP

Discover 40 playable English 9 letter words that start with OP, from Operation, Operating, Oppressed, Operative, Opportune, Oppressor and Optimizer to rarer plays. Each entry is verified for Scrabble, Wordle, crosswords, and daily writing, complete with letter counts and meanings below.

Refine list...
JUMP:
Sort:

Group:

Case:

View:

JUMP TO:
Select any word to view available definitions & photosSelect any word for details
opacifier
operation
operating
operative
operatics
operculum
operagoer
opercular
operantly
operosity
operatize
operosely
operatrix
ophiology
ophiolite
ophiuroid
opinioned
opobalsam
opodeldoc
oppressed
opportune
oppressor
opposable
opposably
opponency
oppugnant
opsimathy
opsomania
optimally
optically
optimizer
optometry
optronics
optimates
optimific
optometer
optophone
opulently
opusculum
opuscular

•Browse Words by Letter (A to Z)

Select a starting letter to browse words
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.