抹杀

抹杀	mǒ shā	to erase / to cover traces / to obliterate evidence / to expunge / to blot out / to suppress
抹	mā	to wipe
抹	mǒ	to smear / to wipe / to erase / classifier for wisps of cloud, light-beams etc
抹	mò	to plaster / to go around / to skirt
杀	shā	to kill; to slay; to murder; to attack / to weaken; to reduce / (dialect) to smart / (used after a verb) extremely