different between injudiciousness vs senselessness

English

injudicious +? -ness

injudiciousness (uncountable)

From senseless +? -ness

senselessness (usually uncountable, plural senselessnesses)

The state of being senseless; unsense.
- November 2 2014, Daniel Taylor, "Sergio Agüero strike wins derby for Manchester City against 10-man United," guardian.co.uk
  They had contributed heavily to their own downfall, most glaringly with the senselessness of Chris Smalling’s red card, and they should know by now that Manuel Pellegrini’s team are not the kind of opponents to pass up these kind of handouts.

senselessness in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
senselessness in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

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