pedal vs motor vehicle

pedal and motor vehicle both are nouns.

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

pedal (noun)	motor vehicle (noun)
a lever that is operated with the foot	a self-propelled wheeled vehicle that does not run on rails
a sustained bass note

pedal (adjective)	motor vehicle (adjective)
of or relating to the feet

pedal (verb)	motor vehicle (verb)
operate the pedals on a keyboard instrument
ride a bicycle