12-Letter Nouns Containing RIO

Here's the list of all the 45 12-Letter Nouns Containing RIO 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 Nouns (with Definitions and Examples)
bacteriology
1. the branch of medical science that studies bacteria in relation to disease
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periodontics
1. the branch of dentistry dealing with diseases of the gums and other structures around the teeth
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12-Letter Nouns Containing RIO