obit vs obituary

obit and obituary both are nouns.

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

As nouns, obit and obituary are synonyms defined as:

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

Other synonyms of obit include necrology.

obit (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