S₁O₁U₁N₁D₂B₃O₁X₈

18 points

SOUNDBOX is validvalid

a resonant cavity in a musical instrument [n SOUNDBOXES]

82,972 of 196,601 in NWL2023·also valid in CSW24

a resonant cavity in a musical instrument [n -ES]

229,104 of 280,887 in CSW24·also valid in NWL2023