Words Starting with OP and Containing A

Browse 197 verified English words starting with OP and containing A, including Operation, Operating, Operate, Operator, Operational, Opera and Optional. Validated against official game lexicons for Scrabble, Wordle, crosswords, and daily writing, explore definitions and letter counts 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 OPA19 words
opaque
opacity
opal
opa
opalescent
opaqueness
opaquely
opalescence
opaline
opacify
opacifier
opah
opacification
opalesce
opaled
opaleye
opacous
opalescently
opaekaa
Starts with OPE24 words
operation
operating
operate
operator
operational
opera
operative
operationally
operatic
operable
operetta
operand
operationalize
operatively
operability
openhearted
openable
operant
openhanded
operatically
opencast
operably
operatics
openheartedness
Starts with OPH24 words
ophthalmology
ophthalmologist
ophthalmic
ophthalmological
ophthalmoscope
ophidian
ophthalmologic
ophidiophobia
ophthalmia
ophthalmoscopy
ophthalmoscopic
ophthalmist
ophthalmoplegia
ophthalmologically
ophiophagous
ophiura
ophthalmometer
ophthalmitis
ophiophilia
ophthalmometry
ophthalmoplegic
ophiolatry
ophthalmoscopist
ophthalmotonometry
Starts with OPI24 words
opiate
opinionated
opinionator
opinionative
opinionatedly
opiated
opinionativeness
opinionatedness
opisthosoma
opinionate
opisthobranch
opisthograph
opisthography
opinable
opinionatively
opisthognathism
opinionately
opisthopulmonate
opisthobranchiate
opisthognathous
opisthographic
opisthographical
opisthognathidae
opisthoglossal
Starts with OPO4 words
opoponax
opobalsam
opotherapy
opopanax
Starts with OPP19 words
oppositional
opposable
opportunistically
opposably
oppugnancy
opposability
oppilate
oppidan
oppugnant
oppilation
oppignerate
oppignorate
oppilative
oppugnantly
oppositipetalous
oppositisepalous
oppilant
oppignoration
oppigneration
Starts with OPS6 words
opsonization
opsimath
opsimathy
opsonification
opsomania
opsomaniac
Starts with OPT19 words
optional
optimization
optical
optimal
optimistically
optionally
optimally
optically
optician
optimality
optionality
optative
optant
optimates
optoacoustic
optimate
optometrical
optatively
optimisticalness
Starts with OPU2 words
opuntia
opuscular

•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.