OMASUM Scrabble 10 Words With Friends 13 Scrabble letter values: O1M3A1S1U1M3 = 10 Definition noun the third compartment of the stomach of a ruminant. — synonyms: psalterium, third_stomach See all 34 words you can make from OMASUM → 6-letter words Words starting with O Words ending with M ← Unscramble different letters