This Doctor Who screencap contains
portcullis, mitaani, mji eneo la tukio, mijini mazingira, jiji eneo, mijini kuweka, penitentiary, kalamu, and kalamu ya mahitaji.
There might also be
jela, jailhouse, gaol, clink, slammer, poky, pokey, jail, fanlight, reli handaki, and handaki ya reli.