rental vs automobile

rental and automobile both are nouns.

Word	Noun	Adjective	Verb	Adverb
rental	Yes	Yes	No	No
automobile	Yes	No	Yes	No

rental (noun)	automobile (noun)
the act of paying for the use of something (as an apartment or house or car)	a motor vehicle with four wheels; usually propelled by an internal combustion engine
property that is leased or rented out or let

rental (adjective)	automobile (adjective)
of or relating to rent
available to rent or lease

rental (verb)	automobile (verb)
	travel in an automobile