obit vs necrology

obit and necrology both are nouns.

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

As nouns, obit and necrology are synonyms defined as:

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

Other synonyms of obit include obituary.

obit (noun)	necrology (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