dripstone vs drip mold

dripstone and drip mold both are nouns.

Word	Noun	Adjective	Verb	Adverb
dripstone	Yes	No	No	No
drip mold	Yes	No	No	No

As nouns, drip mold is a hypernym of dripstone; that is, drip mold is a word with a broader meaning than dripstone:

dripstone: a protective drip that is made of stone
drip mold: (architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)

Other hypernyms of dripstone include drip, drip mould.

dripstone (noun)	drip mold (noun)
a protective drip that is made of stone	(architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)
the form of calcium carbonate found in stalactites and stalagmites