Daily word games to challenge your mind
A curated list of 10-letter words tailored to this exact pattern. When a clue points to IS starts, alternate vowel patterns and common blends after the prefix. For example: isallobars, ischaemias, isentropic.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| isallobars | 10 | 4 | |
| ischaemias | 10 | 3 | |
| isentropic | 10 | 4 | |
| isoantigen | 10 | 4 | |
| isobutanes | 10 | 5 | |
| isocaloric | 10 | 5 | |
| isochronal | 10 | 4 | |
| isochrones | 10 | 4 | |
| isocracies | 10 | 4 | |
| isocyanate | 10 | 4 | |
| isoenzymes | 10 | 4 | |
| isoenzymic | 10 | 4 | |
| isogametes | 10 | 5 | |
| isogametic | 10 | 5 | |
| isoglossal | 10 | 4 | |
| isoglosses | 10 | 4 | |
| isoglossic | 10 | 4 | |
| isografted | 10 | 4 | |
| isolatable | 10 | 4 | |
| isolations | 10 | 4 | |
| isoleucine | 10 | 4 | |
| isomerases | 10 | 5 | |
| isomerisms | 10 | 4 | |
| isomerized | 10 | 5 | |
| isomerizes | 10 | 5 | |
| isometrics | 10 | 4 | |
| isometries | 10 | 4 | |
| isomorphic | 10 | 4 | |
| isoniazids | 10 | 4 | |
| isooctanes | 10 | 4 | |
| isopiestic | 10 | 4 | |
| isoplethic | 10 | 4 | |
| isoprenoid | 10 | 4 | |
| isopropyls | 10 | 4 | |
| isospories | 10 | 4 | |
| isostasies | 10 | 4 | |
| isothermal | 10 | 4 | |
| isotropies | 10 | 4 |
Are IS-starting words common?
IS is a frequent start; probing vowel swaps after IS quickly narrows options.
Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.