modelling vs clay sculpture

modelling and clay sculpture both are nouns.

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

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

Other synonyms of modelling include modeling, mold, molding, mould, moulding.

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