U₁M₃B₃O₁N₁A₁T₁I₁O₁N₁S₁

15 points

UMBONATIONS is no goodvalid

Not a playable Scrabble word in NWL2023.

It is valid in CSW24·

UMBONATION, the state of being umbonate, having a central boss [n]

258,684 of 280,887 in CSW24·not in NWL2023