imbibe vs mop up

imbibe is not a noun while mop up is a noun.

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

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

Other hyponyms of imbibe include mop, wipe up, blot, sponge up.

imbibe (noun)	mop up (noun)
	a concluding action

imbibe (verb)	mop up (verb)
receive into the mind and retain	finish a task completely
take in liquids	defeat thoroughly
take (gas, light or heat) into a solution	to wash or wipe with or as if with a mop
take in, also metaphorically