8 Letter Words Starting with OP

Discover 46 playable English 8 letter words that start with OP, from Opponent, Operator, Optional, Optimize, Optimism, Opposing and Openness to rarer plays. Each entry is verified for Scrabble, Wordle, crosswords, and daily writing, complete with letter counts and meanings below.

Playing a word game? Score tiles & test blanks
Word Finder
Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with OPA2 words
opaquely
opalesce
Starts with OPE11 words
operator
openness
operatic
operable
operetta
openable
opencast
operably
openwork
openside
opercule
Starts with OPH3 words
ophidian
ophiurid
ophiuran
Starts with OPI4 words
opinicus
opiumism
opinable
opificer
Starts with OPO2 words
opoponax
opopanax
Starts with OPP7 words
opposite
opponent
opposing
opponens
oppugner
oppilate
oppilant
Starts with OPS4 words
opsonize
opsonify
opsimath
opsonium
Starts with OPT11 words
optional
optimize
optimism
optimist
optician
optative
optionee
optronic
optimate
opticist
optology
Starts with OPU2 words
opulence
opuscule

•Browse Words by Letter (A to Z)

Select a starting letter to browse words
ABCDEFGHIJKLMNOPQRSTUVWXYZ
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.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 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.