mistake vs nonaccomplishment

mistake and nonaccomplishment both are nouns.

Word	Noun	Adjective	Verb	Adverb
mistake	Yes	No	Yes	No
nonaccomplishment	Yes	No	No	No

As nouns, nonaccomplishment is a hypernym of mistake; that is, nonaccomplishment is a word with a broader meaning than mistake:

mistake: a wrong action attributable to bad judgment or ignorance or inattention
nonaccomplishment: an act that does not achieve its intended goal

Other hypernyms of mistake include nonachievement.

mistake (noun)	nonaccomplishment (noun)
a wrong action attributable to bad judgment or ignorance or inattention	an act that does not achieve its intended goal
an understanding of something that is not correct
part of a statement that is not correct

mistake (verb)	nonaccomplishment (verb)
to make a mistake or be incorrect
identify incorrectly