cell death vs necrobiosis

cell death and necrobiosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
cell death	Yes	No	No	No
necrobiosis	Yes	No	No	No

As nouns, cell death and necrobiosis are synonyms defined as:

cell death and necrobiosis: (physiology) the normal degeneration and death of living cells (as in various epithelial cells)

cell death (noun)	necrobiosis (noun)
(physiology) the normal degeneration and death of living cells (as in various epithelial cells)	(physiology) the normal degeneration and death of living cells (as in various epithelial cells)