anteater vs egg-laying mammal

anteater and egg-laying mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
anteater	Yes	No	No	No
egg-laying mammal	Yes	No	No	No

As nouns, egg-laying mammal is a hypernym of anteater; that is, egg-laying mammal is a word with a broader meaning than anteater:

anteater: a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia
egg-laying mammal: the most primitive mammals comprising the only extant members of the subclass Prototheria

Other hypernyms of anteater include monotreme.

As nouns, egg-laying mammal is a hypernym of anteater; that is, egg-laying mammal is a word with a broader meaning than anteater:

anteater: a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea
egg-laying mammal: the most primitive mammals comprising the only extant members of the subclass Prototheria

Other hypernyms of anteater include monotreme.

anteater (noun)	egg-laying mammal (noun)
any of several tropical American mammals of the family Myrmecophagidae which lack teeth and feed on ants and termites	the most primitive mammals comprising the only extant members of the subclass Prototheria
nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata
a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia
a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea
toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites
small Australian marsupial having long snout and strong claws for feeding on termites; nearly extinct