cavetto vs moulding

cavetto and moulding both are nouns.

Word	Noun	Adjective	Verb	Adverb
cavetto	Yes	No	No	No
moulding	Yes	No	No	No

As nouns, moulding is a hypernym of cavetto; that is, moulding is a word with a broader meaning than cavetto:

Other hypernyms of cavetto include molding.

cavetto (noun)	moulding (noun)
a concave molding shaped like a quarter circle in cross section	a preliminary sculpture in wax or clay from which a finished work can be copied
	a decorative recessed or relieved surface on an edge
	a decorative strip used for ornamentation or finishing
	sculpture produced by molding