Canis familiaris vs canid

Canis familiaris and canid both are nouns.

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

As nouns, canid is a hypernym of Canis familiaris; that is, canid is a word with a broader meaning than Canis familiaris:

Canis familiaris: 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
canid: any of various fissiped mammals with nonretractile claws and typically long muzzles

Other hypernyms of Canis familiaris include domestic animal, domesticated animal, canine.

Canis familiaris (noun)	canid (noun)
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	any of various fissiped mammals with nonretractile claws and typically long muzzles