hippo vs artiodactyl

hippo and artiodactyl both are nouns.

Word	Noun	Adjective	Verb	Adverb
hippo	Yes	No	No	No
artiodactyl	Yes	Yes	No	No

As nouns, artiodactyl is a hypernym of hippo; that is, artiodactyl is a word with a broader meaning than hippo:

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

Other hypernyms of hippo include artiodactyl mammal, even-toed ungulate.

hippo (noun)	artiodactyl (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

hippo (adjective)	artiodactyl (adjective)
	of or relating to or belonging to mammals of the order Artiodactyla