CASSITERITE Scrabble 13 Words With Friends 14 Scrabble letter values: C3A1S1S1I1T1E1R1I1T1E1 = 13 Definition noun a hard heavy dark mineral that is the chief source of tin. See all 563 words you can make from CASSITERITE → 11-letter words Words starting with C Words ending with E ← Unscramble different letters