mopboard vs molding

mopboard and molding both are nouns.

Word	Noun	Adjective	Verb	Adverb
mopboard	Yes	No	No	No
molding	Yes	No	No	No

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

Other hypernyms of mopboard include moulding.

mopboard (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