Countable Nouns Starting with O and Containing BI

Explore 39 verified English countable nouns starting with O and containing BI, including Orbit, Orbital, Obituary, Orbiter, Observability, Obi and Obit. 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 OB7 words
obituary
observability
obi
obit
obituarist
obiter
obnubilation
Starts with OC3 words
octosyllabic
ochlophobic
ochlophobiac
Starts with OD
1 words
odontophobia
Starts with OI
1 words
oilbird
Starts with OL
1 words
olfactophobia
Starts with OM
1 words
omusubi
Starts with OO
1 words
oobit
Starts with OP3 words
ophidiophobia
ophidiophobic
ophthalmophobia
Starts with OR10 words
orbit
orbital
orbiter
orbicularis
oribi
orbita
ornithophobia
orbity
orbitosphenoid
ornithobiography
Starts with OS
2 words
osmophobia
osmophobic
Starts with OU
2 words
oubit
outbidder
Starts with OV7 words
overbite
overbid
ovenbird
overexcitability
overbidder
overstability
oversusceptibility

•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.