suck in vs absorb

suck in and absorb both are verbs.

Word	Noun	Adjective	Verb	Adverb
suck in	No	No	Yes	No
absorb	No	No	Yes	No

As verbs, absorb is a hypernym of suck in; that is, absorb is a word with a broader meaning than suck in:

Other hypernyms of suck in include take in.

suck in (verb)	absorb (verb)
take up as if with a sponge	cause to become one with
draw in as if by suction	take up mentally
attract by using an inexorable force, inducement, etc.	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