hippo vs even-toed ungulate

hippo and even-toed ungulate both are nouns.

Word	Noun	Adjective	Verb	Adverb
hippo	Yes	No	No	No
even-toed ungulate	Yes	No	No	No

As nouns, even-toed ungulate is a hypernym of hippo; that is, even-toed ungulate is a word with a broader meaning than hippo:

hippo: massive thick-skinned herbivorous animal living in or around rivers of tropical Africa
even-toed ungulate: placental mammal having hooves with an even number of functional toes on each foot

Other hypernyms of hippo include artiodactyl, artiodactyl mammal.

hippo (noun)	even-toed ungulate (noun)
massive thick-skinned herbivorous animal living in or around rivers of tropical Africa	placental mammal having hooves with an even number of functional toes on each foot