deathrate vs mortality

deathrate and mortality both are nouns.

Word	Noun	Adjective	Verb	Adverb
deathrate	Yes	No	No	No
mortality	Yes	No	No	No

As nouns, deathrate and mortality are synonyms defined as:

deathrate and mortality: the ratio of deaths in an area to the population of that area; expressed per 1000 per year

Other synonyms of deathrate include death rate, fatality rate, mortality rate.

deathrate (noun)	mortality (noun)
the ratio of deaths in an area to the population of that area; expressed per 1000 per year	the quality or state of being mortal
	the ratio of deaths in an area to the population of that area; expressed per 1000 per year