ant bear vs anteater

ant bear and anteater both are nouns.

Word	Noun	Adjective	Verb	Adverb
ant bear	Yes	No	No	No
anteater	Yes	No	No	No

As nouns, ant bear and anteater are synonyms defined as:

ant bear and anteater: nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata

Other synonyms of ant bear include aardvark, Orycteropus afer.

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

ant bear: large shaggy-haired toothless anteater with long tongue and powerful claws; of South America
anteater: any of several tropical American mammals of the family Myrmecophagidae which lack teeth and feed on ants and termites

Other hypernyms of ant bear include New World anteater.

ant bear (noun)	anteater (noun)
nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata	any of several tropical American mammals of the family Myrmecophagidae which lack teeth and feed on ants and termites
large shaggy-haired toothless anteater with long tongue and powerful claws; of South America	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