Nouns Starting with OB and Containing S

This list gathers 92 English nouns starting with OB and containing S, such as Observation, Obstacle, Observer, Obsession, Obesity, Obstruction and Obsessive. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review pluralization and capitalization rules.

Refine list...
JUMP:
Sort:

Group:

Case:

View:

JUMP TO:
Select any word to view available definitions & photosSelect any word for details
obdurateness
obesity
obelisk
obeisance
obeseness
obelus
obesogen
obelism
obeahism
obeliskoid
obeliscoid
obfuscation
obituarist
obiism
objectivism
objectivist
objectiveness
objectionableness
objectlessness
oblast
obliviousness
obligingness
obliqueness
obligatoriness
oblateness
obliquus
obliviscence
obmutescence
obnoxiousness
oboist
observation
obstacle
observer
obsession
obstruction
obsessive
obscurity
observable
observance
observatory
obscenity
obsidian
obstetrics
obsolescence
obstetrician
obstinacy
observability
obstructionist
obsequies
obstructionism
obscuration
obsessiveness
obscureness
obsessional
obtuseness
obtrusion
obtrusiveness
obtusity
obtestation
obviousness
obverse
obversion

•Browse Nouns by Letter (A to Z)

Select a starting letter to browse nouns
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.
Dictionary & Reference
© 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.