negligence vs carelessness

negligence and carelessness both are nouns.

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

As nouns, negligence and carelessness are synonyms defined as:

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

Other synonyms of negligence include neglect, nonperformance.

As nouns, carelessness is a hypernym of negligence; that is, carelessness is a word with a broader meaning than negligence:

Other hypernyms of negligence include sloppiness.

negligence (noun)	carelessness (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	the quality of not being careful or taking pains