equid vs perissodactyl

equid and perissodactyl both are nouns.

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

As nouns, perissodactyl is a hypernym of equid; that is, perissodactyl is a word with a broader meaning than equid:

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

Other hypernyms of equid include odd-toed ungulate, perissodactyl mammal.

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