MICROFOSSIL Scrabble 18 Words With Friends 21 Scrabble letter values: M3I1C3R1O1F4O1S1S1I1L1 = 18 Definition noun a fossil that must be studied microscopically. See all 194 words you can make from MICROFOSSIL → 11-letter words Words starting with M Words ending with L ← Unscramble different letters