bastille vs gaol

bastille and gaol both are nouns.

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

As nouns, gaol is a hypernym of bastille; that is, gaol is a word with a broader meaning than bastille:

bastille: a jail or prison (especially one that is run in a tyrannical manner)
gaol: 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)

Other hypernyms of bastille include clink, jail, jailhouse, pokey, poky, slammer, prison, prison house.

bastille (noun)	gaol (noun)
a jail or prison (especially one that is run in a tyrannical manner)	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)

bastille (verb)	gaol (verb)
	lock up or confine, in or as in a jail