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.
Use these words to dominate in our daily games!