TETRODOTOXIN Scrabble 20 Words With Friends 21 Scrabble letter values: T1E1T1R1O1D2O1T1O1X8I1N1 = 20 Definition noun a powerful neurotoxin found in the ovaries of pufferfish. See all 247 words you can make from TETRODOTOXIN → 12-letter words Words starting with T Words ending with N ← Unscramble different letters