Countable Nouns Starting with O and Containing BL

Explore 33 verified English countable nouns starting with O and containing BL, including Obligation, Observable, Oblique, Oblong, Obliteration, Oblast and Oblate. 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 OB23 words
obligation
observable
oblique
oblong
obliteration
oblast
oblate
oblation
obligor
obloquy
obbligato
obliquity
obligee
oblongata
oblateness
obliterator
obliger
obligator
obliquus
obliquation
obligant
obligative
obligement
Starts with OC
1 words
octosyllable
Starts with OD
1 words
odontoblast
Starts with OM
1 words
omnishambles
Starts with OR
1 words
oroblanco
Starts with OS
1 words
osteoblast
Starts with OU
1 words
oubliette
Starts with OV3 words
overblouse
overblanket
overbleach
Starts with OX
1 words
oxblood

•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.