Daily word games to challenge your mind
For puzzles requiring OBS prefixes, here are all 10-letter word options. Popular examples include OBSCURANTS, OBSEQUIOUS, OBSERVABLE, plus OBSERVABLY, OBSERVANCE, OBSERVANTS and many more. Each word links to its dictionary entry for deeper understanding.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| obscurants | 10 | 3 | |
| obsequious | 10 | 3 | |
| observable | 10 | 3 | |
| observably | 10 | 4 | |
| observance | 10 | 3 | |
| observants | 10 | 3 | |
| obsessions | 10 | 3 | |
| obsessives | 10 | 4 | |
| obsolesced | 10 | 4 | |
| obsolesces | 10 | 4 | |
| obsoletely | 10 | 5 | |
| obsoleting | 10 | 4 | |
| obstetrics | 10 | 3 | |
| obstructed | 10 | 3 | |
| obstructor | 10 | 3 |
Are OBS-starting words common?
OBS is a frequent start; probing vowel swaps after OBS quickly narrows options.
Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.