straiten vs confine

straiten and confine both are verbs.

Word	Noun	Adjective	Verb	Adverb
straiten	No	No	Yes	No
confine	No	No	Yes	No

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

Other hypernyms of straiten include detain.

straiten (verb)	confine (verb)
squeeze together	place limits on (extent or amount or access)
bring into difficulties or distress, especially financial hardship	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