katorga

noun 0.636

jail

noun 0.621

concentration camp

noun 0.612

prison

noun 0.603

gaol

noun 0.597

death camp

noun 0.597

reeducation camp

noun 0.592

prison farm

noun 0.584

internment camp

noun 0.580

jailhouse

noun 0.573

prisonhouse

noun 0.560

prison house

noun 0.557

jail cell

noun 0.542

gulch

noun 0.535

ghetto

noun 0.532

gas chamber

noun 0.531

gallows

noun 0.519

internment

noun 0.516

slave labour

noun 0.516

goulash

noun 0.514

hellhole

noun 0.507

prison-industrial complex

noun 0.505