pernicie
pernicie is a Latin form of pernicies, meaning “destruction, ruin; bane”. It is the ablative singular feminine noun.
Found 68 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.36.6: Quod sibi Caesar denuntiaret se Haeduorum iniurias non neglecturum, neminem secum sine sua pernicie contendisse.
All forms of pernicies (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.