panopticon /pan-opˈti-kon/

1. A prison in which all prisoners can be watched from one point
2. An exhibition room

• challises
• challoth
• chalone
• chalones
• chalonic
• chals
• chalumeau
• chalumeaux
• chalutz
• chalutzes
• chalutzim
• chalybean
• chalybeate
• chalybeates
• chalybite
• chalybites
• cham
• Cham
• chamade
• chamades
• chamaeleon
• chamaeleons
• chamaephyte
• chamaephytes
• Chamb.