Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
mălĕdīcentĭa, ae, f. [maledico], an evil-speaking, abuse, scurrilousness (only in Gellius; syn. maledictio, procacitas): ob assiduam maledicentiam, et probra in principes civitatis, Gell. 3, 3, 15; 17, 14, 2.