subsonic is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adjective (NOT COMPARABLE)

(of a sound, scientific) having a frequency too low to be audible
(of a sound, literary) very quiet, almost inaudible
• The noise of the ship was all around her. The faint subsonic rumble of the reactor and drive. (Leviathan Wakes, James S. A. Corey)
(of a speed) (aviation) less than the speed of sound (in the same medium, and at the same temperature and pressure)

Noun (COUNTABLE)

an aircraft whose maximum speed is less than the speed of sound

subsonic is a Scrabble valid word

s1u1b3s1o1n1i1c3

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 12 points

subsonic is an iScramble, QuickWords valid word

s1u2b3s4o5n6i7c8

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 36 points

Same letters words (Anagrams)

• none

Same letters plus one

• BISCORNUS
• BURSICONS
• CUBBISONS
• SUBCASINO
• SUBOSCINE
• SUBSONICS
• SUBTONICS

Same letters minus one

• BUISSON
• BUSCONS
• COSINUS
• COUSINS
• SCIOUNS