Synonyms of penitentiary

1 Syllable
pens, jail, jails, g, joint, can, pen
2 Syllables
pokey, jailing, slammer, lockup, campus, bullpen, bullpens, cooler, prison, prisons
3 Syllables
jailhouse, guardhouse, bastille, hoosegow, inside, college, stockade
4 Syllables
calaboose, statesville
5 Syllables
reformatory, reformatories