take up vs suck in

take up and suck in both are verbs.

Word	Noun	Adjective	Verb	Adverb
take up	No	No	Yes	No
suck in	No	No	Yes	No

As verbs, take up and suck in are synonyms defined as:

Other synonyms of take up include sop up, take in.

take up (verb)	suck in (verb)
pursue or resume	take up as if with a sponge
return to a previous location or condition	draw in as if by suction
adopt	attract by using an inexorable force, inducement, etc.
take up as if with a sponge
take out or up with or as if with a scoop
accept
take in, also metaphorically
take up a liquid or a gas either by adsorption or by absorption
occupy or take on
take up and practice as one's own
begin work or acting in a certain capacity, office or job
turn one's interest to
take up time or space