latch on vs sweep up

latch on and sweep up both are verbs.

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

As verbs, sweep up is a hypernym of latch on; that is, sweep up is a word with a broader meaning than latch on:

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

Other hypernyms of latch on include adopt, embrace, espouse.

latch on (verb)	sweep up (verb)
understand, usually after some initial difficulty	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
take hold of or attach to