Proserpine vs Proserpina

Proserpine and Proserpina both are nouns.

Word	Noun	Adjective	Verb	Adverb
Proserpine	Yes	No	No	No
Proserpina	Yes	No	No	No

As nouns, Proserpine and Proserpina are synonyms defined as:

Proserpine and Proserpina: goddess of the underworld; counterpart of Greek Persephone

Proserpine (noun)	Proserpina (noun)
goddess of the underworld; counterpart of Greek Persephone	goddess of the underworld; counterpart of Greek Persephone