slammer vs hoosegow

slammer and hoosegow both are nouns.

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

As nouns, hoosegow is a hyponym of slammer; that is, hoosegow is a word with a more specific, narrower meaning than slammer:

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)
hoosegow: slang for a jail

Other hyponyms of slammer include bastille, holding cell, hoosgow, house of correction, lockup, workhouse.

slammer (noun)	hoosegow (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)	slang for a jail
a person who closes things violently