clay sculpture vs modelling

clay sculpture and modelling both are nouns.

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

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

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

clay sculpture (noun)	modelling (noun)
sculpture produced by molding	the act of representing something (usually on a smaller scale)
	a preliminary sculpture in wax or clay from which a finished work can be copied
	sculpture produced by molding