Daily word games to challenge your mind
Searching for words that start with COS? Browse our 8-letter word collection. Popular examples include COSCRIPT, COSECANT, COSHERED, plus COSIGNED, COSIGNER, COSINESS and many more. Use the table below to find the perfect word for your game.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| coscript | 8 | 2 | |
| cosecant | 8 | 3 | |
| coshered | 8 | 3 | |
| cosigned | 8 | 3 | |
| cosigner | 8 | 3 | |
| cosiness | 8 | 3 | |
| cosmetic | 8 | 3 | |
| cosmical | 8 | 3 | |
| cosmisms | 8 | 2 | |
| cosmists | 8 | 2 | |
| cosmoses | 8 | 3 | |
| cossacks | 8 | 2 | |
| cosseted | 8 | 3 | |
| costards | 8 | 2 | |
| costless | 8 | 2 | |
| costlier | 8 | 2 | |
| costmary | 8 | 3 | |
| costrels | 8 | 2 | |
| costumed | 8 | 3 | |
| costumer | 8 | 3 | |
| costumes | 8 | 3 | |
| costumey | 8 | 3 |
Are COS-starting words common?
COS is a frequent start; probing vowel swaps after COS quickly narrows options.
Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.