PERICARDIUM Scrabble 18 Words With Friends 22 Scrabble letter values: P3E1R1I1C3A1R1D2I1U1M3 = 18 Definition noun a serous membrane with two layers that surrounds the heart. See all 445 words you can make from PERICARDIUM → 11-letter words Words starting with P Words ending with M ← Unscramble different letters