MASTOIDECTOMY Scrabble 23 Words With Friends 25 Scrabble letter values: M3A1S1T1O1I1D2E1C3T1O1M3Y4 = 23 Definition noun surgical removal of some or all of the mastoid process. See all 874 words you can make from MASTOIDECTOMY → 13-letter words Words starting with M Words ending with Y ← Unscramble different letters