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12-Letter Words Starting With IS

Found 13 12-letter words starting with IS

Highest Scrabble Score

The highest scoring 12-letter word starting with IS in Scrabble:

ISOENZYMATIC28 pts
Highest Words With Friends Score

The highest scoring 12-letter word starting with IS in WWF:

ISOENZYMATIC30 pts

About 12-Letter Words Starting With IS

This list contains valid 12-letter words that begin with IS. Longer words score higher in Scrabble due to premium tiles and the 50-point bingo bonus. Each word links to its definition page with anagrams and game scores.

12-Letter Words Starting With IS
isoenzymatic28isomorphisms21isochronally20isothermally20isochronisms19isotopically19isobutylenes17isodiametric17isotonically17isoantigenic15isolationism14isoprenaline14isolationist12
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All 12-Letter Words

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All Starting With IS

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12-Letter Ending With IS

Words ending in IS