necrology vs obituary

necrology and obituary both are nouns.

Word	Noun	Adjective	Verb	Adverb
necrology	Yes	No	No	No
obituary	Yes	No	No	No

As nouns, necrology and obituary are synonyms defined as:

necrology and obituary: a notice of someone's death; usually includes a short biography

Other synonyms of necrology include obit.

necrology (noun)	obituary (noun)
a notice of someone's death; usually includes a short biography	a notice of someone's death; usually includes a short biography
a list of people who died recently