11 Letter Words Starting with OB

Browse 49 verified English 11 letter words that start with OB, including Observation, Objectivity, Obstruction, Observatory, Obfuscation, Obstructive and Obviousness. Validated against official game lexicons for Scrabble, Wordle, crosswords, and daily writing, explore definitions and letter counts below.

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Starts with OBE1 words
obediential
Starts with OBF2 words
obfuscation
obfuscatory
Starts with OBJ11 words
objectively
objectivity
objectivism
objectivist
objectivize
objectional
objectivate
objurgation
objurgatory
objurgative
objurgatrix
Starts with OBL5 words
obliviously
obliqueness
obliterator
obliquation
obliquitous
Starts with OBM1 words
obmutescent
Starts with OBN1 words
obnoxiously
Starts with OBS23 words
observation
obstruction
observatory
obsessively
obstructive
obstinately
obstetrical
obscuration
obscureness
obsessional
obsolescent
observantly
obsceneness
observingly
obscurement
obstipation
observative
obsecration
obscurantic
obsignation
obsidionary
obstriction
obsignatory
Starts with OBT3 words
obtrusively
obtestation
obtemperate
Starts with OBU1 words
obumbration
Starts with OBV1 words
obviousness

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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.