ANTITHYROID Scrabble 18 Words With Friends 17 Scrabble letter values: A1N1T1I1T1H4Y4R1O1I1D2 = 18 Definition adjective having the effect of counteracting excessive thyroid activity. Examples “antithyroid drugs” See all 322 words you can make from ANTITHYROID → 11-letter words Words starting with A Words ending with D ← Unscramble different letters