equid vs zebra

equid and zebra both are nouns.

Word	Noun	Adjective	Verb	Adverb
equid	Yes	No	No	No
zebra	Yes	No	No	No

As nouns, zebra is a hyponym of equid; that is, zebra is a word with a more specific, narrower meaning than equid:

equid: hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck
zebra: any of several fleet black-and-white striped African equines

Other hyponyms of equid include Equus caballus, horse, ass, mule, hinny, Equus quagga, quagga.

equid (noun)	zebra (noun)
hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck	any of several fleet black-and-white striped African equines