confine vs gaol

confine is not a noun while gaol is a noun.

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

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

confine (noun)	gaol (noun)
	a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence)

confine (verb)	gaol (verb)
place limits on (extent or amount or access)	lock up or confine, in or as in a jail
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
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