Daily word games to challenge your mind
For puzzles requiring OP prefixes, here are all 6-letter word options. Popular examples include OPAQUE, OPENED, OPENER, plus OPENLY, OPERAS, OPERON and many more. Click any word for its full definition and usage.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| opaque | 6 | 2 | |
| opened | 6 | 3 | |
| opener | 6 | 3 | |
| openly | 6 | 3 | |
| operas | 6 | 3 | |
| operon | 6 | 3 | |
| ophite | 6 | 2 | |
| opiate | 6 | 2 | |
| opined | 6 | 3 | |
| opines | 6 | 3 | |
| opioid | 6 | 2 | |
| opiums | 6 | 2 | |
| oppose | 6 | 2 | |
| oppugn | 6 | 2 | |
| opsins | 6 | 2 | |
| optics | 6 | 2 | |
| optima | 6 | 3 | |
| optime | 6 | 2 | |
| opting | 6 | 2 | |
| option | 6 | 2 | |
| opuses | 6 | 3 |
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.