D₂O₁U₁B₃T₁F₄U₁L₁N₁E₁S₁S₁E₁S₁

20 points

DOUBTFULNESSES is validvalid

DOUBTFULNESS, the quality of being doubtful [n]

188,216 of 196,601 in NWL2023·also valid in CSW24

DOUBTFULNESS, the state of being doubtful [n]

70,731 of 280,887 in CSW24·also valid in NWL2023