PENTAHEDRON /ˌpɛntaˈhiːdɹən/ Scrabble 17 Words With Friends 19 Scrabble letter values: P3E1N1T1A1H4E1D2R1O1N1 = 17 Definition noun any polyhedron having five plane faces. See all 641 words you can make from PENTAHEDRON → 11-letter words Words starting with P Words ending with N ← Unscramble different letters