Your daily dose of word puzzle magic
For puzzles requiring OP prefixes, here are all 10-letter word options. Popular examples include OPACIFYING, OPALESCENT, OPALESCING, plus OPAQUENESS, OPENHANDED, OPENNESSES and many more. Click any word for its full definition and usage.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| opacifying | 10 | 4 | |
| opalescent | 10 | 4 | |
| opalescing | 10 | 4 | |
| opaqueness | 10 | 4 | |
| openhanded | 10 | 4 | |
| opennesses | 10 | 4 | |
| operagoers | 10 | 4 | |
| operagoing | 10 | 4 | |
| operations | 10 | 4 | |
| operatives | 10 | 5 | |
| operculars | 10 | 4 | |
| operculate | 10 | 4 | |
| operculums | 10 | 4 | |
| operettist | 10 | 4 | |
| ophiuroids | 10 | 3 | |
| ophthalmia | 10 | 3 | |
| ophthalmic | 10 | 3 | |
| oppilating | 10 | 4 | |
| opposeless | 10 | 4 | |
| oppositely | 10 | 5 | |
| opposition | 10 | 4 | |
| oppressing | 10 | 3 | |
| oppression | 10 | 3 | |
| oppressive | 10 | 3 | |
| oppressors | 10 | 3 | |
| opprobrium | 10 | 3 | |
| opsonified | 10 | 4 | |
| opsonifies | 10 | 4 | |
| opsonizing | 10 | 4 | |
| optatively | 10 | 5 | |
| optimality | 10 | 5 | |
| optimising | 10 | 4 | |
| optimistic | 10 | 4 | |
| optimizers | 10 | 4 | |
| optimizing | 10 | 4 | |
| optionally | 10 | 4 | |
| optometric | 10 | 4 | |
| opulencies | 10 | 4 |
Are OP-starting words common?
OP is a frequent start; probing vowel swaps after OP quickly narrows options.
Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.