surbase vs moulding

surbase and moulding both are nouns.

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

As nouns, moulding is a hypernym of surbase; that is, moulding is a word with a broader meaning than surbase:

surbase: the molding or border above the base of a structure (a pedestal or podium or wall)
moulding: a decorative strip used for ornamentation or finishing

Other hypernyms of surbase include molding.

surbase (noun)	moulding (noun)
the molding or border above the base of a structure (a pedestal or podium or wall)	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