PHOSPHOROUS Scrabble 21 Words With Friends 22 Scrabble letter values: P3H4O1S1P3H4O1R1O1U1S1 = 21 Definition adjective containing or characteristic of phosphorus. — synonyms: phosphoric Examples “phosphoric acid” See all 96 words you can make from PHOSPHOROUS → 11-letter words Words starting with P Words ending with S ← Unscramble different letters