aunty vs auntie

aunty and auntie both are nouns.

Word	Noun	Adjective	Verb	Adverb
aunty	Yes	No	No	No
auntie	Yes	No	No	No

As nouns, aunty and auntie are synonyms defined as:

aunty and auntie: the sister of your father or mother; the wife of your uncle

Other synonyms of aunty include aunt.

aunty (noun)	auntie (noun)
the sister of your father or mother; the wife of your uncle	the sister of your father or mother; the wife of your uncle