I₁M₃P₃A₁L₁P₃A₁B₃L₁E₁

18 points

IMPALPABLE is validvalid

not palpable [adj] : IMPALPABILITY [n], IMPALPABLY [adv]

130,621 of 196,601 in NWL2023·also valid in CSW24

not perceivable by touch [adj IMPALPABLY]

117,171 of 280,887 in CSW24·also valid in NWL2023