perissodactyl vs equid

perissodactyl and equid both are nouns.

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

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

perissodactyl: placental mammals having hooves with an odd number of toes on each foot
equid: hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck

Other hyponyms of perissodactyl include equine, rhino, rhinoceros, tapir.

perissodactyl (noun)	equid (noun)
placental mammals having hooves with an odd number of toes on each foot	hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck