FIBROSIS /faɪˈbɹoʊsɪs/ Scrabble 13 Words With Friends 14 Scrabble letter values: F4I1B3R1O1S1I1S1 = 13 Definition noun development of excess fibrous connective tissue in an organ. See all 60 words you can make from FIBROSIS → 8-letter words Words starting with F Words ending with S ← Unscramble different letters