Hydrochoerus hydrochaeris vs capybara

Hydrochoerus hydrochaeris and capybara both are nouns.

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

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

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

Other synonyms of Hydrochoerus hydrochaeris include capibara.

Hydrochoerus hydrochaeris (noun)	capybara (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