1) Aspersion 2) Slander 
• (n.) False accusation of crime or offense, or a malicious and false representation of the words or actions of another, with a view to injure his good name.
Ca·lum`ni·a'tion (kȧ*lŭm`nĭ*ā'shŭn) noun False accusation of crime or offense, or a malicious and false representation of the words or actions of another, with a view to injure his good name. « The calumniation of her principal counselors. Bacon. ...