Daily word games to challenge your mind
For puzzles requiring EFF prefixes, here are all 10-letter word options. Popular examples include EFFACEABLE, EFFACEMENT, EFFECTIVES, plus EFFECTUATE, EFFEMINACY, EFFEMINATE and many more. Use the table below to find the perfect word for your game.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| effaceable | 10 | 3 | |
| effacement | 10 | 4 | |
| effectives | 10 | 4 | |
| effectuate | 10 | 3 | |
| effeminacy | 10 | 5 | |
| effeminate | 10 | 4 | |
| efferently | 10 | 4 | |
| effervesce | 10 | 3 | |
| effeteness | 10 | 4 | |
| efficacies | 10 | 4 | |
| efficacity | 10 | 5 | |
| efficiency | 10 | 4 | |
| effloresce | 10 | 3 | |
| effluences | 10 | 3 | |
| effluviums | 10 | 3 | |
| effluxions | 10 | 3 | |
| effortless | 10 | 3 | |
| effrontery | 10 | 4 | |
| effulgence | 10 | 3 | |
| effusively | 10 | 5 |
Are EFF-starting words common?
EFF is a frequent start; probing vowel swaps after EFF quickly narrows options.
Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.