SIMULTANEITY Scrabble 17 Words With Friends 20 Scrabble letter values: S1I1M3U1L1T1A1N1E1I1T1Y4 = 17 Definition noun happening or existing or done at the same time. — synonyms: simultaneousness See all 1040 words you can make from SIMULTANEITY → 12-letter words Words starting with S Words ending with Y ← Unscramble different letters