absorb vs absorber

absorb is not a noun while absorber is a noun.

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

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

absorb (verb)	absorber (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