operas

operas is a Latin form of opera, meaning “work, effort; service”. It is the accusative plural feminine noun.

Found 52 times in the Latin texts on Socratos.

Where it is used

Cicero, In C. Verrem 2.2.171: … ervenisset, aliquotiens ad socios litteras de istius iniuriis miserat; Canuleius vero, qui in portu Syracusis operas dabat, furta quoque istius permulta nominatim ad socios perscripserat, ea quae sine portorio Syracusis erant …

All forms of opera (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.