failure vs nonaccomplishment

failure and nonaccomplishment both are nouns.

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

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

Other hypernyms of failure include nonachievement.

failure (noun)	nonaccomplishment (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