bastille vs slammer

bastille and slammer both are nouns.

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

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

bastille: a jail or prison (especially one that is run in a tyrannical manner)
slammer: 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, gaol, jail, jailhouse, pokey, poky, prison, prison house.

bastille (noun)	slammer (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)
	a person who closes things violently