koala bear vs koala

koala bear and koala both are nouns.

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

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

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

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

koala bear (noun)	koala (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