bastille vs prison house

bastille and prison house both are nouns.

Word	Noun	Adjective	Verb	Adverb
bastille	Yes	No	No	No
prison house	Yes	No	No	No

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

bastille: a jail or prison (especially one that is run in a tyrannical manner)
prison house: a correctional institution where persons are confined while on trial or for punishment

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

bastille (noun)	prison house (noun)
a jail or prison (especially one that is run in a tyrannical manner)	a correctional institution where persons are confined while on trial or for punishment
	a prisonlike situation; a place of seeming confinement