molding vs ornamentation

molding and ornamentation both are nouns.

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

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

Other hypernyms of molding include decoration, ornament.

molding (noun)	ornamentation (noun)
a preliminary sculpture in wax or clay from which a finished work can be copied	the act of adding extraneous decorations to something
the act of creating something by casting it in a mold	something used to beautify
a decorative recessed or relieved surface on an edge	the state of being ornamented
a decorative strip used for ornamentation or finishing
sculpture produced by molding