absorption vs absorb

absorption is a noun but absorb is not a noun.

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

absorption (noun)	absorb (noun)
the mental state of being preoccupied by something
complete attention; intense mental effort
(chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
the process of absorbing nutrients into the body after digestion
(physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium
the social process of absorbing one cultural group into harmony with another

absorption (verb)	absorb (verb)
	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