ULTRASONIC Scrabble 12 Words With Friends 16 Scrabble letter values: U1L1T1R1A1S1O1N1I1C3 = 12 Definition adjective having frequencies above those of audible sound. — synonyms: supersonic See all 835 words you can make from ULTRASONIC → 10-letter words Words starting with U Words ending with C ← Unscramble different letters