absorptive vs absorb

absorptive is an adjective but absorb is not an adjective.

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

absorptive (adjective)	absorb (adjective)
having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)

absorptive (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