take up vs latch on

take up and latch on both are verbs.

Word	Noun	Adjective	Verb	Adverb
take up	No	No	Yes	No
latch on	No	No	Yes	No

As verbs, take up and latch on are synonyms defined as:

Other synonyms of take up include fasten on, hook on, seize on.

take up (verb)	latch on (verb)
pursue or resume	understand, usually after some initial difficulty
return to a previous location or condition	adopt
adopt	take hold of or attach to
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