Daily word games to challenge your mind
Need 6-letter words beginning with OS? This comprehensive list has you covered. Popular examples include OSCINE, OSCULA, OSCULE, plus OSIERS, OSMICS, OSMIUM and many more. Sort by length or alphabetically to narrow your search.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| oscine | 6 | 2 | |
| oscula | 6 | 3 | |
| oscule | 6 | 2 | |
| osiers | 6 | 2 | |
| osmics | 6 | 2 | |
| osmium | 6 | 2 | |
| osmole | 6 | 2 | |
| osmols | 6 | 2 | |
| osmose | 6 | 2 | |
| osmous | 6 | 2 | |
| osmund | 6 | 2 | |
| osprey | 6 | 2 | |
| ossein | 6 | 2 | |
| ossify | 6 | 3 | |
| osteal | 6 | 2 | |
| ostium | 6 | 2 | |
| ostler | 6 | 2 | |
| ostomy | 6 | 3 |
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.