poetry vs poesy

poetry and poesy both are nouns.

Word	Noun	Adjective	Verb	Adverb
poetry	Yes	No	No	No
poesy	Yes	No	No	No

As nouns, poetry and poesy are synonyms defined as:

Other synonyms of poetry include verse.

poetry (noun)	poesy (noun)
literature in metrical form	literature in metrical form
any communication resembling poetry in beauty or the evocation of feeling