IMMUNOLOGY Scrabble 18 Words With Friends 23 Scrabble letter values: I1M3M3U1N1O1L1O1G2Y4 = 18 Definition noun the branch of medical science that studies the body's immune system. See all 133 words you can make from IMMUNOLOGY → 10-letter words Words starting with I Words ending with Y ← Unscramble different letters