GEOTROPISM /dʒiˈːɑtɹɒpɪzəm/ Scrabble 15 Words With Friends 18 Scrabble letter values: G2E1O1T1R1O1P3I1S1M3 = 15 Definition noun an orienting response to gravity. See all 556 words you can make from GEOTROPISM → 10-letter words Words starting with G Words ending with M ← Unscramble different letters