koala bear vs kangaroo bear

koala bear and kangaroo bear both are nouns.

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

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

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

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

koala bear (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