vault vs charnel house

vault and charnel house both are nouns.

Word	Noun	Adjective	Verb	Adverb
vault	Yes	No	Yes	No
charnel house	Yes	No	No	No

As nouns, charnel house is a hyponym of vault; that is, charnel house is a word with a more specific, narrower meaning than vault:

Other hyponyms of vault include charnel, columbarium.

vault (noun)	charnel house (noun)
the act of jumping over an obstacle	a vault or building where corpses or bones are deposited
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)	charnel house (verb)
bound vigorously
jump across or leap over (an obstacle)