confine vs hold back

confine and hold back both are verbs.

Word	Noun	Adjective	Verb	Adverb
confine	No	No	Yes	No
hold back	No	No	Yes	No

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

Other hypernyms of confine include keep, keep back, restrain.

confine (verb)	hold back (verb)
place limits on (extent or amount or access)	prevent the action or expression of
to close within bounds, or otherwise limit or deprive of free movement	hold back, as of a danger or an enemy; check the expansion or influence of
prevent from leaving or from being removed	hold back; keep from being perceived by others
deprive of freedom; take into confinement	secure and keep for possible future use or application
close in	wait before acting
	refrain from doing