impracticality vs inutility

impracticality and inutility both are nouns.

Word	Noun	Adjective	Verb	Adverb
impracticality	Yes	No	No	No
inutility	Yes	No	No	No

As nouns, inutility is a hypernym of impracticality; that is, inutility is a word with a broader meaning than impracticality:

impracticality: concerned with theoretical possibilities rather than actual use
inutility: the quality of having no practical use

Other hypernyms of impracticality include unusefulness, uselessness.

impracticality (noun)	inutility (noun)
concerned with theoretical possibilities rather than actual use	the quality of having no practical use