ISOSTASY /ʌɪˈsɒstəsi/ Scrabble 11 Words With Friends 10 Scrabble letter values: I1S1O1S1T1A1S1Y4 = 11 Definition noun (geology) a general equilibrium of the forces tending to elevate or depress the earth's crust. See all 68 words you can make from ISOSTASY → 8-letter words Words starting with I Words ending with Y ← Unscramble different letters