O₁B₃C₃O₁N₁I₁C₃A₁L₁

15 points

OBCONICAL is validvalid

in the form of an inverted cone [adj]

106,885 of 196,601 in NWL2023·also valid in CSW24

conical, but having the apex downward; inversely conical, also OBCONIC [adj]

161,693 of 280,887 in CSW24·also valid in NWL2023