Cuniculus paca vs gnawer

Cuniculus paca and gnawer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cuniculus paca	Yes	No	No	No
gnawer	Yes	No	No	No

As nouns, gnawer is a hypernym of Cuniculus paca; that is, gnawer is a word with a broader meaning than Cuniculus paca:

Cuniculus paca: large burrowing rodent of South America and Central America; highly esteemed as food
gnawer: relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

Other hypernyms of Cuniculus paca include rodent.

Cuniculus paca (noun)	gnawer (noun)
large burrowing rodent of South America and Central America; highly esteemed as food	relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing