pouched rat vs pocket gopher

pouched rat and pocket gopher both are nouns.

Word	Noun	Adjective	Verb	Adverb
pouched rat	Yes	No	No	No
pocket gopher	Yes	No	No	No

As nouns, pouched rat and pocket gopher are synonyms defined as:

pouched rat and pocket gopher: burrowing rodent of the family Geomyidae having large external cheek pouches; of Central America and southwestern North America

Other synonyms of pouched rat include gopher.

pouched rat (noun)	pocket gopher (noun)
burrowing rodent of the family Geomyidae having large external cheek pouches; of Central America and southwestern North America	burrowing rodent of the family Geomyidae having large external cheek pouches; of Central America and southwestern North America