vault vs groined vault

vault and groined vault both are nouns.

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

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

Other hyponyms of vault include barrel vault, ribbed vault.

vault (noun)	groined vault (noun)
the act of jumping over an obstacle	two barrel vaults intersecting at right angles
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)	groined vault (verb)
bound vigorously
jump across or leap over (an obstacle)