confine vs lock in

confine and lock in both are verbs.

Word	Noun	Adjective	Verb	Adverb
confine	No	No	Yes	No
lock in	No	No	Yes	No

As verbs, lock in is a hyponym of confine; that is, lock in is a word with a more specific, narrower meaning than confine:

confine: prevent from leaving or from being removed
lock in: place in a place where something cannot be removed or someone cannot escape

Other hyponyms of confine include cabin, closet, coop in, coop up, lock, lock away, lock up, put away, shut away, shut up, seal in.

confine (verb)	lock in (verb)
place limits on (extent or amount or access)	place in a place where something cannot be removed or someone cannot escape
to close within bounds, or otherwise limit or deprive of free movement	close with or as if with a tight seal
prevent from leaving or from being removed
deprive of freedom; take into confinement
close in