nonperformance vs negligence

nonperformance and negligence both are nouns.

Word	Noun	Adjective	Verb	Adverb
nonperformance	Yes	No	No	No
negligence	Yes	No	No	No

As nouns, nonperformance and negligence are synonyms defined as:

nonperformance and negligence: failure to act with the prudence that a reasonable person would exercise under the same circumstances

Other synonyms of nonperformance include carelessness, neglect.

nonperformance (noun)	negligence (noun)
failure to act with the prudence that a reasonable person would exercise under the same circumstances	failure to act with the prudence that a reasonable person would exercise under the same circumstances
	the trait of neglecting responsibilities and lacking concern