Daily word games to challenge your mind
A curated list of 7-letter words tailored to this exact pattern. When a clue points to OS starts, alternate vowel patterns and common blends after the prefix. For example: oscines, oscular, oscules.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| oscines | 7 | 3 | |
| oscular | 7 | 3 | |
| oscules | 7 | 3 | |
| osculum | 7 | 3 | |
| osmatic | 7 | 3 | |
| osmious | 7 | 2 | |
| osmiums | 7 | 2 | |
| osmolal | 7 | 3 | |
| osmolar | 7 | 3 | |
| osmoles | 7 | 3 | |
| osmosed | 7 | 3 | |
| osmoses | 7 | 3 | |
| osmosis | 7 | 3 | |
| osmotic | 7 | 3 | |
| osmunda | 7 | 3 | |
| osmunds | 7 | 2 | |
| ospreys | 7 | 2 | |
| osseins | 7 | 2 | |
| osseous | 7 | 2 | |
| ossicle | 7 | 2 | |
| ossific | 7 | 3 | |
| ossuary | 7 | 3 | |
| osteoid | 7 | 2 | |
| osteoma | 7 | 3 | |
| ostiary | 7 | 3 | |
| ostiole | 7 | 2 | |
| ostlers | 7 | 2 | |
| ostmark | 7 | 2 | |
| ostoses | 7 | 3 | |
| ostosis | 7 | 3 | |
| ostraca | 7 | 3 | |
| ostrich | 7 | 2 |
Are OS-starting words common?
OS is a frequent start; probing vowel swaps after OS quickly narrows options.
Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.