phalanger vs opossum

phalanger and opossum both are nouns.

Word	Noun	Adjective	Verb	Adverb
phalanger	Yes	No	No	No
opossum	Yes	No	No	No

As nouns, phalanger and opossum are synonyms defined as:

phalanger and opossum: small furry Australian arboreal marsupials having long usually prehensile tails

Other synonyms of phalanger include possum.

phalanger (noun)	opossum (noun)
small furry Australian arboreal marsupials having long usually prehensile tails	nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
	small furry Australian arboreal marsupials having long usually prehensile tails