ISOMORPHISM Scrabble 20 Words With Friends 22 Scrabble letter values: I1S1O1M3O1R1P3H4I1S1M3 = 20 Definition noun (biology) similarity or identity of form or shape or structure. — synonyms: isomorphy See all 177 words you can make from ISOMORPHISM → 11-letter words Words starting with I Words ending with M ← Unscramble different letters