下獄[gegoku] being sent to prison
仮出獄[karishutsugoku] parole
監獄[kangoku] prison
疑獄[gigoku] scandal
あり地獄[arijigoku] ant lion larva

刑獄[keigoku] jail
獄衣[gokui] prison uniform
獄死[gokushi] death in jail
獄舎[gokusha] prison
獄中[gokuchuu] during imprisonment