Istasal : استیصال
1. Eradication, Obliteration : استیصال : (noun) the complete destruction of every trace of something.
Tabaahi, Barbaadi : Destruction : the termination of something by causing so much damage to it that it cannot be repaired or no longer exists.
Suraagh : Trace : an indication that something has been present. "There wasn't a trace of evidence for the claim"
Nishaan, Naqsh : Trace : a visible mark (as a footprint) left by the passage of person or animal or vehicle.
Barbaadi, Nisat O Nabod, Tabaahi, Fana : Destruction : an event (or the result of an event) that completely destroys something.