absorb vs mop

absorb is not a noun while mop is a noun.

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

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

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

absorb (noun)	mop (noun)
	cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors

absorb (verb)	mop (verb)
cause to become one with	make a sad face and thrust out one's lower lip
take up mentally	to wash or wipe with or as if with a mop
consume all of one's attention or time
devote (oneself) fully to
take in, also metaphorically
become imbued
assimilate or take in
take up, as of debts or payments
suck or take up or in