MASTERSTROKE Scrabble 18 Words With Friends 19 Scrabble letter values: M3A1S1T1E1R1S1T1R1O1K5E1 = 18 Definition noun an achievement demonstrating great skill or mastery. See all 858 words you can make from MASTERSTROKE → 12-letter words Words starting with M Words ending with E ← Unscramble different letters