pocket gopher vs pouched rat

pocket gopher and pouched rat both are nouns.

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

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

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

Other synonyms of pocket gopher include gopher.

pocket gopher (noun)	pouched rat (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