blot vs absorb

blot is a noun but absorb is not a noun.

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

As verbs, absorb is a hypernym of blot; that is, absorb is a word with a broader meaning than blot:

Other hypernyms of blot include draw, imbibe, soak up, sop up, suck, suck up, take in, take up.

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

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