scaly anteater vs placental

scaly anteater and placental both are nouns.

Word	Noun	Adjective	Verb	Adverb
scaly anteater	Yes	No	No	No
placental	Yes	Yes	No	No

As nouns, placental is a hypernym of scaly anteater; that is, placental is a word with a broader meaning than scaly anteater:

scaly anteater: toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites
placental: mammals having a placenta; all mammals except monotremes and marsupials

Other hypernyms of scaly anteater include eutherian, eutherian mammal, placental mammal.

scaly anteater (noun)	placental (noun)
toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites	mammals having a placenta; all mammals except monotremes and marsupials

scaly anteater (adjective)	placental (adjective)
	pertaining to or having or occurring by means of a placenta