peripeteia vs peripetia

peripeteia and peripetia both are nouns.

Word	Noun	Adjective	Verb	Adverb
peripeteia	Yes	No	No	No
peripetia	Yes	No	No	No

As nouns, peripeteia and peripetia are synonyms defined as:

peripeteia and peripetia: a sudden and unexpected change of fortune or reverse of circumstances (especially in a literary work)

Other synonyms of peripeteia include peripety.

peripeteia (noun)	peripetia (noun)
a sudden and unexpected change of fortune or reverse of circumstances (especially in a literary work)	a sudden and unexpected change of fortune or reverse of circumstances (especially in a literary work)