MASSIF /mæˈsiːf/ Scrabble 11 Words With Friends 12 Scrabble letter values: M3A1S1S1I1F4 = 11 Definition noun a block of the earth's crust bounded by faults and shifted to form peaks of a mountain range. See all 30 words you can make from MASSIF → 6-letter words Words starting with M Words ending with F ← Unscramble different letters