car vs tunnel

car and tunnel both are nouns.

Word	Noun	Adjective	Verb	Adverb
car	Yes	No	No	No
tunnel	Yes	No	Yes	No

car (noun)	tunnel (noun)
a motor vehicle with four wheels; usually propelled by an internal combustion engine	a passageway through or under something, usually underground (especially one for trains or cars)
a wheeled vehicle adapted to the rails of railroad	a hole made by an animal, usually for shelter
where passengers ride up and down
the compartment that is suspended from an airship and that carries personnel and the cargo and the power plant
a conveyance for passengers or freight on a cable railway

car (verb)	tunnel (verb)
	force a way through
	move through by or as by digging