Hydrochoerus hydrochaeris vs capibara

Hydrochoerus hydrochaeris and capibara both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hydrochoerus hydrochaeris	Yes	No	No	No
capibara	Yes	No	No	No

As nouns, Hydrochoerus hydrochaeris and capibara are synonyms defined as:

Hydrochoerus hydrochaeris and capibara: pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent

Other synonyms of Hydrochoerus hydrochaeris include capybara.

Hydrochoerus hydrochaeris (noun)	capibara (noun)
pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent	pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent