take up vs chemisorb

take up and chemisorb both are verbs.

Word	Noun	Adjective	Verb	Adverb
take up	No	No	Yes	No
chemisorb	No	No	Yes	No

As verbs, chemisorb is a hyponym of take up; that is, chemisorb is a word with a more specific, narrower meaning than take up:

Other hyponyms of take up include absorb, adsorb.

take up (verb)	chemisorb (verb)
pursue or resume	take up a substance by chemisorption
return to a previous location or condition
adopt
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