Felis silvestris vs European wildcat

Felis silvestris and European wildcat both are nouns.

Word	Noun	Adjective	Verb	Adverb
Felis silvestris	Yes	No	No	No
European wildcat	Yes	No	No	No

As nouns, Felis silvestris and European wildcat are synonyms defined as:

Felis silvestris and European wildcat: bushy-tailed wildcat of Europe that resembles the domestic cat and is regarded as the ancestor of the domestic cat

Other synonyms of Felis silvestris include catamountain.

Felis silvestris (noun)	European wildcat (noun)
bushy-tailed wildcat of Europe that resembles the domestic cat and is regarded as the ancestor of the domestic cat	bushy-tailed wildcat of Europe that resembles the domestic cat and is regarded as the ancestor of the domestic cat