pore vs absorb

pore is a noun but absorb is not a noun.

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

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

Other hyponyms of pore include engross, engulf, immerse, plunge, soak up, steep, recall, think, zoom in, hear, listen, take heed.

pore (noun)	absorb (noun)
any small opening in the skin or outer surface of an animal
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
any tiny hole admitting passage of a liquid (fluid or gas)

pore (verb)	absorb (verb)
direct one's attention on something	cause to become one with
	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