cornice vs molding

cornice and molding both are nouns.

Word	Noun	Adjective	Verb	Adverb
cornice	Yes	No	Yes	No
molding	Yes	No	No	No

As nouns, molding is a hypernym of cornice; that is, molding is a word with a broader meaning than cornice:

Other hypernyms of cornice include moulding.

cornice (noun)	molding (noun)
the topmost projecting part of an entablature	a preliminary sculpture in wax or clay from which a finished work can be copied
a molding at the corner between the ceiling and the top of a wall	the act of creating something by casting it in a mold
a decorative framework to conceal curtain fixtures at the top of a window casing	a decorative recessed or relieved surface on an edge
	a decorative strip used for ornamentation or finishing
	sculpture produced by molding

cornice (verb)	molding (verb)
furnish with a cornice