skirting board vs molding

skirting board and molding both are nouns.

Word	Noun	Adjective	Verb	Adverb
skirting board	Yes	No	No	No
molding	Yes	No	No	No

As nouns, molding is a hypernym of skirting board; that is, molding is a word with a broader meaning than skirting board:

Other hypernyms of skirting board include moulding.

skirting board (noun)	molding (noun)
a molding covering the joint formed by a wall and the floor	a preliminary sculpture in wax or clay from which a finished work can be copied
	the act of creating something by casting it in a mold
	a decorative recessed or relieved surface on an edge
	a decorative strip used for ornamentation or finishing
	sculpture produced by molding