bilby vs rabbit bandicoot

bilby and rabbit bandicoot both are nouns.

Word	Noun	Adjective	Verb	Adverb
bilby	Yes	No	No	No
rabbit bandicoot	Yes	No	No	No

As nouns, bilby and rabbit bandicoot are synonyms defined as:

Other synonyms of bilby include Macrotis lagotis, rabbit-eared bandicoot.

bilby (noun)	rabbit bandicoot (noun)
bandicoot with leathery ears like a rabbit	bandicoot with leathery ears like a rabbit