D₂I₁A₁C₃O₁U₁S₁T₁I₁C₃S₁

16 points

DIACOUSTICS is no goodvalid

Not a playable Scrabble word in NWL2023.

It is valid in CSW24·

the branch of physics that deals with refracted sound [n]

64,081 of 280,887 in CSW24·not in NWL2023