failure vs nonachievement

failure and nonachievement both are nouns.

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

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

Other hypernyms of failure include nonaccomplishment.

failure (noun)	nonachievement (noun)
an act that fails	an act that does not achieve its intended goal
an unexpected omission
an event that does not accomplish its intended purpose
a person with a record of failing; someone who loses consistently
lack of success
loss of ability to function normally
inability to discharge all your debts as they come due