This Doctor Who screencap contains
yanazunguka mlango, bastola, mlango unaozunguka, and revolver.
There might also be
ishara, bango, maandishi, ubao, matini, ubao wa chokaa, jela, jailhouse, gaol, clink, slammer, poky, pokey, jail, kiini, jela, kiini gerezani, seli, and seli ya gereza.