mop up vs swab

mop up and swab both are nouns.

Word	Noun	Adjective	Verb	Adverb
mop up	Yes	No	Yes	No
swab	Yes	No	Yes	No

As verbs, swab is a hyponym of mop up; that is, swab is a word with a more specific, narrower meaning than mop up:

Other hyponyms of mop up include swob, sponge.

mop up (noun)	swab (noun)
a concluding action	cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors
	implement consisting of a small piece of cotton that is used to apply medication or cleanse a wound or obtain a specimen of a secretion

mop up (verb)	swab (verb)
finish a task completely	wash with a swab or a mop
defeat thoroughly	apply (usually a liquid) to a surface
to wash or wipe with or as if with a mop