Results: 32 words
ISOLATIONISM14
ISOLATIONIST12
ISOTRETINOIN12
ISOMORPHISMS21
ISOTOPICALLY19
ISOPRENALINE14
ISOANTIGENIC15
ISOBILATERAL14
ISOBUTYLENES17
ISOCHEIMENAL19
ISOCHROMATIC21
ISOCHRONALLY20
ISOCHRONISED18
ISOCHRONISES17
ISOCHRONISMS19
ISOCHRONIZED27
ISOCHRONIZES26
ISODIAMETRIC17
ISODIAPHERES18
ISODIMORPHIC22
Out of 21,577 words with 12 letters, 32 start with IS, and this page will list all of them to help you with your favorite word game. We generated this list using our Word Finder, which extracted all 12-letter words starting with IS from the dictionary.
The most common ending letter in these words is S, as 11 words from this group end in this letter. If you want to explore more words starting with IS, we have that list prepared, including words from 2 to 28 letters in length.
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If you’re using these words for Scrabble, here are a few things you should know:
– The average value of 12-letter words starting with IS is 18.1 points
– The most points in Scrabble you can get from this list is 28 by playing the word ISOENZYMATIC