car vs floorboard

car and floorboard both are nouns.

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

car (noun)	floorboard (noun)
a motor vehicle with four wheels; usually propelled by an internal combustion engine	a board in the floor
a wheeled vehicle adapted to the rails of railroad	the floor of an automobile
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