NOXIOUSNESS Scrabble 18 Words With Friends 21 Scrabble letter values: N1O1X8I1O1U1S1N1E1S1S1 = 18 Definition noun the quality of being noxious. — synonyms: harmfulness, noisomeness See all 142 words you can make from NOXIOUSNESS → 11-letter words Words starting with N Words ending with S ← Unscramble different letters