I₁N₁D₂E₁M₃O₁N₁S₁T₁R₁A₁B₃L₁E₁

19 points

INDEMONSTRABLE is validvalid

not demonstrable [adj] : INDEMONSTRABLY [adv]

189,148 of 196,601 in NWL2023·also valid in CSW24

incapable of being demonstrated [adj INDEMONSTRABLY]

119,138 of 280,887 in CSW24·also valid in NWL2023