mistake vs nonachievement

mistake and nonachievement both are nouns.

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

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

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

Other hypernyms of mistake include nonaccomplishment.

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