denaturalize or denaturalise /dē-nachˈə-rə-līz/

1. To make unnatural
2. To deprive of naturalization as a citizen

dēnaturalīzāˈtion or dēnaturalīsāˈtion noun

• fippences
• fipple
• fipple flute
• fipple flutes
• fipples
• fiqh
• fir
• fir cone
• fir cones
• fire
• fire alarm
• fire alarms
• fire and brimstone
• fire-and-brimstone
• fire and sword
• fire ant
• fire ants
• firearm
• firearms
• fire-arrow
• fire-arrows
• fire away
• fireback
• firebacks
• fireball