peony vs paeony

peony and paeony both are nouns.

Word	Noun	Adjective	Verb	Adverb
peony	Yes	No	No	No
paeony	Yes	No	No	No

As nouns, peony and paeony are synonyms defined as:

peony and paeony: any of numerous plants widely cultivated for their showy single or double red or pink or white flowers

peony (noun)	paeony (noun)
any of numerous plants widely cultivated for their showy single or double red or pink or white flowers	any of numerous plants widely cultivated for their showy single or double red or pink or white flowers