Select the INCORRECTLY spelt word.

Survillance 

The incorrectly spelled word is Survillance. The correct spelling is Surveillance.

• Surveillance is the act of watching or monitoring someone or something closely.
• Asteroid is a small, rocky body that orbits the sun.
• Extraterrestrial means originating or existing outside the Earth or its atmosphere.
• Centrifugal is an adjective that means moving or tending to move away from the center of rotation.