absorb vs blot

absorb is not a noun while blot is a noun.

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

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

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

absorb (noun)	blot (noun)
	an act that brings discredit to the person who does it
	a blemish made by dirt

absorb (verb)	blot (verb)
cause to become one with	dry (ink) with blotting paper
take up mentally	make a spot or mark onto
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