clamp down vs confine

clamp down and confine both are verbs.

Word	Noun	Adjective	Verb	Adverb
clamp down	No	No	Yes	No
confine	No	No	Yes	No

As verbs, confine is a hypernym of clamp down; that is, confine is a word with a broader meaning than clamp down:

Other hypernyms of clamp down include bound, limit, restrict, throttle, trammel.

clamp down (verb)	confine (verb)
repress or suppress (something regarded as undesirable)	place limits on (extent or amount or access)
	to close within bounds, or otherwise limit or deprive of free movement
	prevent from leaving or from being removed
	deprive of freedom; take into confinement
	close in