D₂O₁U₁B₃T₁L₁E₁S₁S₁N₁E₁S₁S₁

16 points

DOUBTLESSNESS is validvalid

the quality of being doubtless [n DOUBTLESSNESSES]

179,764 of 196,601 in NWL2023·also valid in CSW24

the quality of being without doubt [n -ES]

70,738 of 280,887 in CSW24·also valid in NWL2023