MONESTROUS Scrabble 12 Words With Friends 15 Scrabble letter values: M3O1N1E1S1T1R1O1U1S1 = 12 Definition adjective having one estrous cycle per year. — synonyms: monoestrous See all 498 words you can make from MONESTROUS → 10-letter words Words starting with M Words ending with S ← Unscramble different letters