Lynx lynx vs lynx

Lynx lynx and lynx both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lynx lynx	Yes	No	No	No
lynx	Yes	No	No	No

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

Other hypernyms of Lynx lynx include catamount.

Lynx lynx (noun)	lynx (noun)
of northern Eurasia	short-tailed wildcats with usually tufted ears; valued for their fur
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