absorber vs absorb

absorber is a noun but absorb is not a noun.

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

absorber (noun)	absorb (noun)
(physics) material in a nuclear reactor that absorbs radiation

absorber (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