Countable Nouns Starting with OM and Containing A

Explore 26 verified English countable nouns starting with OM and containing A, including Omega, Ombudsman, Omeprazole, Omakase, Oma, Omnisexual and Omnishambles. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with OMA
5 words
omani
omakase
oma
omasum
omadhaun
Starts with OMB
1 words
ombudsman
Starts with OMD
1 words
omdurmani
Starts with OME
2 words
omega
omeprazole
Starts with OMI
2 words
omija
omittance
Starts with OML
1 words
omlah
Starts with OMM
3 words
ommatidium
ommateum
ommatophore
Starts with OMN
5 words
omnisexual
omnishambles
omnirange
omniarch
omnipotentiality
Starts with OMO
1 words
omoplate
Starts with OMP
4 words
omphalos
omphalocele
omphalodes
omphacite
Starts with OMR
1 words
omrah

•Browse Countable Nouns by Letter (A to Z)

Select a starting letter to browse countable nouns
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
DictionarySynonymsAntonymsWordsVocabulary HubPositive WordsNegative Words
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.