14-Letter Nouns Starting With O
Here's the list of all the 208 14-Letter Nouns Starting With O 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) | |
|---|---|
| osteoarthritis | 1. chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age More Definitions → |
| otolaryngology | 1. the medical specialty that deals with diseases of the ear, nose and throat More Definitions → |
| oxidoreductase | 1. an enzyme that catalyzes oxidation-reduction More Definitions → |
| overpopulation | 1. too much population More Definitions → |
| overproduction | 1. too much production or more than expected More Definitions → |
| More Common Nouns → | |