sweep up vs hook on

sweep up and hook on both are verbs.

Word	Noun	Adjective	Verb	Adverb
sweep up	No	No	Yes	No
hook on	No	No	Yes	No

As verbs, hook on is a hyponym of sweep up; that is, hook on is a word with a more specific, narrower meaning than sweep up:

sweep up: take up the cause, ideology, practice, method, of someone and use it as one's own
hook on: adopt

Other hyponyms of sweep up include fasten on, latch on, seize on, take up.

sweep up (verb)	hook on (verb)
take up the cause, ideology, practice, method, of someone and use it as one's own	adopt
force into some kind of situation, condition, or course of action