koala vs kangaroo bear

koala and kangaroo bear both are nouns.

Word	Noun	Adjective	Verb	Adverb
koala	Yes	No	No	No
kangaroo bear	Yes	No	No	No

As nouns, koala and kangaroo bear are synonyms defined as:

koala and kangaroo bear: sluggish tailless Australian arboreal marsupial with grey furry ears and coat; feeds on eucalyptus leaves and bark

Other synonyms of koala include koala bear, native bear, Phascolarctos cinereus.

koala (noun)	kangaroo bear (noun)
sluggish tailless Australian arboreal marsupial with grey furry ears and coat; feeds on eucalyptus leaves and bark	sluggish tailless Australian arboreal marsupial with grey furry ears and coat; feeds on eucalyptus leaves and bark