8-Letter Words Starting with 'OP'

Discover 46 playable English 8-letter words starting with 'OP' from familiar terms like Opponent, Operator, Optional and Optimize to rare vocabulary. Each entry is verified for word games and crosswords, complete with scores and meanings below.

Playing a word game? Score tiles & test blanks
Word Finder
Tap to refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
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
Wordmom is your complete guide to the English language. Whether you're looking up a definition, searching for the perfect synonym, or unscrambling letters for a word game, our comprehensive suite of tools is designed to help you find the right word, every time.
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®, Words With Friends®, Wordle®, and related game titles or tournament codes are registered trademarks of their respective owners (including Hasbro, Mattel, Zynga, The New York Times, NASPA, and WESPA). Wordmom is an independent reference utility for educational and entertainment purposes, not affiliated with, sponsored, or endorsed by these entities. All game names are referenced strictly under nominative fair use for compatibility.