mendacia
mendacia is a Latin form of mendacium, meaning “lie, falsehood”. It is the nominative plural neuter noun or vocative plural neuter noun or accusative plural neuter noun.
Found 37 times in the Latin texts on Socratos.
Where it is used
Ovid, Amores 3.6.17: Prodigiosa loquor veterum mendacia vatum;
All forms of mendacium (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.