bus vs powerhouse

bus and powerhouse both are nouns.

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

bus (noun)	powerhouse (noun)
a vehicle carrying many passengers; used for public transport	an electrical generating station
a car that is old and unreliable	a team considered to be the best of its class
an electrical conductor that makes a common connection between several circuits	a highly energetic and indefatigable person
the topology of a network whose components are connected by a busbar

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