asylum

bars

cage

captivity

clinic

corridor

crazy

crime

criminal

danger

defense

emergency

empty

escape

exterior

facility

fence

forbidden

guard

hospital

imprisonment

insanity

interior

iron

jail

jailhouse

justice

keep

medicine

mental

metal

nuthouse

obstruction

penitentiary

prison

psychiatric

psycho

psychotherapy

punishment

room

scary

security

sentence

steel

straitjacket

trapped

wall

ward

window