Countable Nouns Starting with PET and Containing O

Browse 40 valid English countable nouns starting with PET and containing O, from Petition, Petitioner, Petticoat, Petrochemical, Petroglyph, Petrodollar and Petrostate to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with PETA4 words
petaflops
petaflop
petasos
petalostemon
Starts with PETC
1 words
petcock
Starts with PETI6 words
petition
petitioner
petiole
petitionist
petitio
petiolule
Starts with PETR24 words
petrochemical
petroglyph
petrodollar
petrostate
petrolhead
petrification
petrosal
petrifaction
petrophysicist
petrocurrency
petrologist
petronella
petrochemist
petrographer
petronel
petronia
petroleuse
petrogram
petropound
petrorhagia
petroleur
petrosilex
petrocoptis
petrodrome
Starts with PETT5 words
petticoat
pettifogger
petto
pettifoggery
pettitoes

•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.