sculpture vs moulding

sculpture and moulding both are nouns.

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

As nouns, moulding is a hyponym of sculpture; that is, moulding is a word with a more specific, narrower meaning than sculpture:

sculpture: creating figures or designs in three dimensions
moulding: a preliminary sculpture in wax or clay from which a finished work can be copied

Other hyponyms of sculpture include modeling, modelling, molding.

As nouns, moulding is a hyponym of sculpture; that is, moulding is a word with a more specific, narrower meaning than sculpture:

sculpture (noun)	moulding (noun)
creating figures or designs in three dimensions	a preliminary sculpture in wax or clay from which a finished work can be copied
a three-dimensional work of plastic art	a decorative recessed or relieved surface on an edge
	a decorative strip used for ornamentation or finishing
	sculpture produced by molding

sculpture (verb)	moulding (verb)
shape (a material like stone or wood) by whittling away at it
create by shaping stone or wood or any other hard material