ISOCYCLIC Scrabble 18 Words With Friends 21 Scrabble letter values: I1S1O1C3Y4C3L1I1C3 = 18 Definition adjective containing a closed ring of atoms of the same kind especially carbon atoms. — synonyms: homocyclic See all 44 words you can make from ISOCYCLIC → 9-letter words Words starting with I Words ending with C ← Unscramble different letters