marsupial vs pouched mammal

marsupial and pouched mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
marsupial	Yes	Yes	No	No
pouched mammal	Yes	No	No	No

As nouns, marsupial and pouched mammal are synonyms defined as:

marsupial and pouched mammal: mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried

marsupial (noun)	pouched mammal (noun)
mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried	mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried

marsupial (adjective)	pouched mammal (adjective)
of or relating to the marsupials