Canis vs Canis familiaris

Canis and Canis familiaris both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canis	Yes	No	No	No
Canis familiaris	Yes	No	No	No

Canis (noun)	Canis familiaris (noun)
type genus of the Canidae: domestic and wild dogs, wolves, jackals	a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds