ICOSAHEDRON /ˌaɪkoʊsəˈhiːdɹən/ Scrabble 17 Words With Friends 18 Scrabble letter values: I1C3O1S1A1H4E1D2R1O1N1 = 17 Definition noun any polyhedron having twenty plane faces. See all 1139 words you can make from ICOSAHEDRON → 11-letter words Words starting with I Words ending with N ← Unscramble different letters