Obliteration
Killing, Denial, Erasure, Ignoring, Murder
noun, verbal noun
まっさつ
暗殺 (あんさつ) Assassination
暗殺者 (あんさつしゃ、not on WK) Assassin
殺人 (さつじん) Murder
殺人者 (さつじんしゃ) Murderer, Killer
人殺し (ひとごろし) Murder, Murderer
抹殺 (まっさつ) Obliteration, Killing, Denial, Erasure, Ignoring, Murder
摩擦 (まさつ) Friction
To Obliterate 抹殺 is to erase 抹 or kill 殺 to remove all signs of something.