clay sculpture vs moulding

clay sculpture and moulding both are nouns.

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

As nouns, clay sculpture and moulding are synonyms defined as:

Other synonyms of clay sculpture include modeling, modelling, mold, molding, mould.

clay sculpture (noun)	moulding (noun)
sculpture produced by molding	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