mop vs dustmop

mop and dustmop both are nouns.

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

As nouns, dustmop is a hyponym of mop; that is, dustmop is a word with a more specific, narrower meaning than mop:

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

Other hyponyms of mop include dry mop, dust mop, sponge mop.

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

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