dustmop vs mop

dustmop and mop both are nouns.

Word	Noun	Adjective	Verb	Adverb
dustmop	Yes	No	No	No
mop	Yes	No	Yes	No

As nouns, mop is a hypernym of dustmop; that is, mop is a word with a broader meaning than dustmop:

dustmop: a dry swab for dusting floors
mop: cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors

Other hypernyms of dustmop include swab, swob.

dustmop (noun)	mop (noun)
a dry swab for dusting floors	cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors

dustmop (verb)	mop (verb)
	make a sad face and thrust out one's lower lip
	to wash or wipe with or as if with a mop