bank building vs vault

bank building and vault both are nouns.

Word	Noun	Adjective	Verb	Adverb
bank building	Yes	No	No	No
vault	Yes	No	Yes	No

bank building (noun)	vault (noun)
a building in which the business of banking is transacted	the act of jumping over an obstacle
	an arched brick or stone ceiling or roof
	a burial chamber (usually underground)
	a strongroom or compartment (often made of steel) for safekeeping of valuables

bank building (verb)	vault (verb)
	bound vigorously
	jump across or leap over (an obstacle)