dustmop vs swob

dustmop and swob both are nouns.

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

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

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

Other hypernyms of dustmop include mop, swab.

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

dustmop (verb)	swob (verb)
	wash with a swab or a mop
	apply (usually a liquid) to a surface