swob vs cleaning device

swob and cleaning device both are nouns.

Word	Noun	Adjective	Verb	Adverb
swob	Yes	No	Yes	No
cleaning device	Yes	No	No	No

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

swob: cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors
cleaning device: any of a large class of implements used for cleaning

Other hypernyms of swob include cleaning equipment, cleaning implement.

swob (noun)	cleaning device (noun)
cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors	any of a large class of implements used for cleaning

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