patrol car vs panda car

patrol car and panda car both are nouns.

Word	Noun	Adjective	Verb	Adverb
patrol car	Yes	No	No	No
panda car	Yes	No	No	No

As nouns, panda car is a hyponym of patrol car; that is, panda car is a word with a more specific, narrower meaning than patrol car:

patrol car: a car in which policemen cruise the streets; equipped with radiotelephonic communications to headquarters
panda car: a police cruiser

patrol car (noun)	panda car (noun)
a car in which policemen cruise the streets; equipped with radiotelephonic communications to headquarters	a police cruiser