fatality vs human death

fatality and human death both are nouns.

Word	Noun	Adjective	Verb	Adverb
fatality	Yes	No	No	No
human death	Yes	No	No	No

As nouns, fatality and human death are synonyms defined as:

fatality and human death: a death resulting from an accident or a disaster

fatality (noun)	human death (noun)
the quality of being able to cause death or fatal disasters	a death resulting from an accident or a disaster
a death resulting from an accident or a disaster