HISTOLOGY Scrabble 16 Words With Friends 16 Scrabble letter values: H4I1S1T1O1L1O1G2Y4 = 16 Definition noun the branch of biology that studies the microscopic structure of animal or plant tissues. See all 174 words you can make from HISTOLOGY → 9-letter words Words starting with H Words ending with Y ← Unscramble different letters