photism /fōˈti-zm/

1. A hallucinatory vision of light
2. A visual sensation that results from the experience of hearing, feeling, tasting, smelling or thinking something

• chafing
• chafing-dish
• chafing-dishes
• chafing-gear
• chaft
• chafts
• chagan
• chagans
• Chagas' disease
• chagrin
• chagrined
• chagrining
• chagrins
• chai
• chain
• chain armour
• chain bolt
• chain bolts
• chainbrake
• chainbrakes
• chain-breaker
• chain-breakers
• chain bridge
• chain bridges
• chain cable