moulding vs ornament

moulding and ornament both are nouns.

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

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

Other hypernyms of moulding include decoration, ornamentation.

moulding (noun)	ornament (noun)
a preliminary sculpture in wax or clay from which a finished work can be copied	something used to beautify
a decorative recessed or relieved surface on an edge
a decorative strip used for ornamentation or finishing
sculpture produced by molding

moulding (verb)	ornament (verb)
	make more attractive by adding ornament, colour, etc.
	be an ornament to