passenger vs bus

passenger and bus both are nouns.

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

passenger (noun)	bus (noun)
a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it	a vehicle carrying many passengers; used for public transport
	a car that is old and unreliable
	an electrical conductor that makes a common connection between several circuits
	the topology of a network whose components are connected by a busbar

passenger (verb)	bus (verb)
	remove used dishes from the table in restaurants
	ride in a bus
	send or move around by bus