Injudiciousness is a related term of fatuousness.
As nouns the difference between injudiciousness and fatuousness
is that injudiciousness is the state or condition of being injudicious while fatuousness is the characteristic of being fatuous.
injudiciousness
English
Noun
(-)
The state or condition of being injudicious.
fatuousness
English
Noun
(en-noun)
The characteristic of being fatuous.