roof vs bus

roof and bus both are nouns.

Word	Noun	Adjective	Verb	Adverb
roof	Yes	No	Yes	No
bus	Yes	No	Yes	No

roof (noun)	bus (noun)
a protective covering that covers or forms the top of a building	a vehicle carrying many passengers; used for public transport
protective covering on top of a motor vehicle	a car that is old and unreliable
an upper limit on what is allowed	an electrical conductor that makes a common connection between several circuits
the inner top surface of a covered area or hollow space	the topology of a network whose components are connected by a busbar

roof (verb)	bus (verb)
provide a building with a roof; cover a building with a roof	remove used dishes from the table in restaurants
	ride in a bus
	send or move around by bus