S₁U₁B₃U₁M₃B₃R₁E₁L₁L₁A₁R₁

18 points

SUBUMBRELLAR is no goodvalid

Not a playable Scrabble word in NWL2023.

It is valid in CSW24·

relating to the subumbrella, the concave undersurface of a jellyfish [adj]

238,761 of 280,887 in CSW24·not in NWL2023