JACKS /dʒæks/ ► audio Scrabble 18 Words With Friends 21 Scrabble letter values: J8A1C3K5S1 = 18 Definition noun a game in which jackstones are thrown and picked up in various groups between bounces of a small rubber ball. — synonyms: jackstones, knucklebones See all 10 words you can make from JACKS → 5-letter words Words starting with J Words ending with S ← Unscramble different letters