pound up vs confine

pound up and confine both are verbs.

Word	Noun	Adjective	Verb	Adverb
pound up	No	No	Yes	No
confine	No	No	Yes	No

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

pound up: shut up or confine in any enclosure or within any bounds or limits
confine: to close within bounds, or otherwise limit or deprive of free movement

Other hypernyms of pound up include constrain, hold, restrain.

pound up (verb)	confine (verb)
shut up or confine in any enclosure or within any bounds or limits	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