Lynx rufus vs catamount

Lynx rufus and catamount both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lynx rufus	Yes	No	No	No
catamount	Yes	No	No	No

As nouns, catamount is a hypernym of Lynx rufus; that is, catamount is a word with a broader meaning than Lynx rufus:

Lynx rufus: small lynx of North America
catamount: short-tailed wildcats with usually tufted ears; valued for their fur

Other hypernyms of Lynx rufus include lynx.

Lynx rufus (noun)	catamount (noun)
small lynx of North America	large American feline resembling a lion
	short-tailed wildcats with usually tufted ears; valued for their fur