7-letter words starting with OS
Embark on a linguistic journey with words that begin with the letter OS. This section showcases how OS at the start shapes the identity and sound of various words. From commonly used terms to rare finds, explore the diverse range of words that start with OS, enriching your vocabulary and appreciation for language.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| ostrich | 12 | fast-running African flightless bird with two-toed feet; largest living bird | - |
| osmosis | 9 | (biology, chemistry) diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal | - |
| ossuary | 10 | any receptacle for the burial of human bones | - |
| osselet | 7 | - | - |
| ospreys | 12 | - | - |
| osseous | 7 | composed of or containing bone | osseous tissue |
| osseter | 7 | - | - |
| ossetra | 7 | - | - |
| ossicle | 9 | a small bone; especially one in the middle ear | - |
| ossific | 12 | - | - |
| ostents | 7 | - | - |
| osteoid | 8 | - | - |
| osteoma | 9 | a slow growing benign tumor of consisting of bone tissue; usually on the skull or mandible | - |
| ostiary | 10 | someone who guards an entrance | - |
| ostiate | 7 | - | - |
| ostiole | 7 | a small pore especially one in the reproductive bodies of certain algae and fungi through which spores pass | - |
| ostlers | 7 | - | - |
| ostmark | 13 | - | - |
| ostoses | 7 | - | - |
| ostosis | 7 | - | - |
| ostraca | 9 | - | - |
| ostraka | 11 | - | - |
| osmiums | 11 | - | - |
| oscines | 9 | two names for the suborder of typical songbirds | - |
| oscular | 9 | - | - |
| oscules | 9 | - | - |
| osculum | 11 | - | - |
| osetras | 7 | - | - |
| osiered | 8 | - | - |
| osmates | 9 | - | - |
| osmatic | 11 | - | - |
| osmiate | 9 | - | - |
| osmious | 9 | - | - |
| osseins | 7 | - | - |
| osmolal | 9 | - | - |
| osmolar | 9 | - | - |
| osmoles | 9 | - | - |
| osmosed | 10 | - | - |
| osmoses | 9 | - | - |
| osmotic | 11 | of or relating to osmosis | osmotic pressure |
| osmunda | 10 | - | - |
| osmunds | 10 | - | - |
| oscheal | 12 | - | - |
