giant anteater vs great anteater

giant anteater and great anteater both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant anteater	Yes	No	No	No
great anteater	Yes	No	No	No

As nouns, giant anteater and great anteater are synonyms defined as:

giant anteater and great anteater: large shaggy-haired toothless anteater with long tongue and powerful claws; of South America

Other synonyms of giant anteater include ant bear, Myrmecophaga jubata, tamanoir.

giant anteater (noun)	great anteater (noun)
large shaggy-haired toothless anteater with long tongue and powerful claws; of South America	large shaggy-haired toothless anteater with long tongue and powerful claws; of South America