cab vs motor vehicle

cab and motor vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
cab	Yes	No	Yes	No
motor vehicle	Yes	No	No	No

cab (noun)	motor vehicle (noun)
a car driven by a person whose job is to take passengers where they want to go in exchange for money	a self-propelled wheeled vehicle that does not run on rails
small two-wheeled horse-drawn carriage; with two seats and a folding hood
a compartment at the front of a motor vehicle or locomotive where driver sits

cab (verb)	motor vehicle (verb)
ride in a taxicab