12-Letter Words Starting With OB

Here's the list of all the 56 12-Letter Words Starting With OB in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Words (with Definitions and Examples)
obsolescence
1. the process of becoming obsolete; falling into disuse or becoming out of date
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obstetrician
1. a physician specializing in obstetrics
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obliteration
1. destruction by annihilating something
2. the complete destruction of every trace of something
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12-Letter Words Starting With OB