抹杀 (抹殺) mǒ​shā
obliterate verb
to erase, blot out, or remove traces and evidence

The killer attempted to obliterate all evidence at the scene.

negate verb
to deny, suppress, or ignore the existence of facts, merits, or achievements

No one can erase his contribution to this match.

Frequency

Movie subtitles
0.090 per million appears in 0% of films
Written text
0.680 per million

Sources