PERITONITIS Scrabble 13 Words With Friends 15 Scrabble letter values: P3E1R1I1T1O1N1I1T1I1S1 = 13 Definition noun inflammation of the peritoneum. — synonyms: peritoneal_inflammation See all 560 words you can make from PERITONITIS → 11-letter words Words starting with P Words ending with S ← Unscramble different letters