flying cat vs flying marmot

flying cat and flying marmot both are nouns.

Word	Noun	Adjective	Verb	Adverb
flying cat	Yes	No	No	No
flying marmot	Yes	No	No	No

As nouns, flying cat and flying marmot are synonyms defined as:

Other synonyms of flying cat include Petaurista petaurista, taguan.

flying cat (noun)	flying marmot (noun)
East Indian flying squirrel	East Indian flying squirrel
arboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leaps