Smear
Part of speech: verb
Definition: To spread (a substance, especially one that colours or is dirty) across a surface by rubbing. To have a substance smeared on (a surface). To damage someone's reputation by slandering, misrepresenting, or otherwise making false accusations about an individual, their statements, or their actions. To become spread by smearing.
Part of speech: noun
Definition: A mark made by smearing. A Pap smear. A false attack.
Example sentence: You don't smear somebody as a racist when there is obviously nothing there.
Vilification
Part of speech: noun
Definition: slanderous or malicious defamation; character assassination