exacta vs perfecta

exacta and perfecta both are nouns.

Word	Noun	Adjective	Verb	Adverb
exacta	Yes	No	No	No
perfecta	Yes	No	No	No

As nouns, exacta and perfecta are synonyms defined as:

exacta and perfecta: a bet that you can pick the first and second finishers in the right order

exacta (noun)	perfecta (noun)
a bet that you can pick the first and second finishers in the right order	a bet that you can pick the first and second finishers in the right order