Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
trŭcŭlentĭa, ae, f. [truculentus], savageness, ferocity, roughness, harshness, truculence (very rare): tua, Plaut. Truc. 3, 2, 7: caeli, harshness, inclemency, Tac. A. 2, 24.