jaguar vs Felis onca

jaguar and Felis onca both are nouns.

Word	Noun	Adjective	Verb	Adverb
jaguar	Yes	No	No	No
Felis onca	Yes	No	No	No

As nouns, jaguar and Felis onca are synonyms defined as:

jaguar and Felis onca: a large spotted feline of tropical America similar to the leopard; in some classifications considered a member of the genus Felis

Other synonyms of jaguar include panther, Panthera onca.

jaguar (noun)	Felis onca (noun)
a large spotted feline of tropical America similar to the leopard; in some classifications considered a member of the genus Felis	a large spotted feline of tropical America similar to the leopard; in some classifications considered a member of the genus Felis