vault vs strongroom

vault and strongroom both are nouns.

Word	Noun	Adjective	Verb	Adverb
vault	Yes	No	Yes	No
strongroom	Yes	No	No	No

As nouns, strongroom is a hypernym of vault; that is, strongroom is a word with a broader meaning than vault:

vault: a strongroom or compartment (often made of steel) for safekeeping of valuables
strongroom: a burglarproof and fireproof room in which valuables are kept

vault (noun)	strongroom (noun)
the act of jumping over an obstacle	a burglarproof and fireproof room in which valuables are kept
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

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