bastilles, big houses(slang), bridewells, brigs, calabooses, cans, clinks(slang), coolers, coops, guardrooms, hocks, holds, jailhouses, jails, joints(slang), jugs, lockups, nicks(British slang), penitentiaries, pens, pokeys(slang), prisons, quods(British slang), slammers, slams, stirs(slang), stockades, tolbooths(Scottish)

bull pens, cages, cells, holes, tanksblocks, wardsglasshouses(British), guardhouses, hulksconcentration camps, gulags, labor camps, prison camps, stalags, work campsdungeons, keeps, oubliettesreformatories, reform schools, training schools