personis
personis is a Latin form of persona, meaning “mask; character, role; person, personality”. It is the ablative plural feminine noun or dative plural feminine noun.
Found 125 times in the Latin texts on Socratos.
Where it is used
Cicero, Pro S. Roscio Amerino 47: … uem ex agro Veienti nominem. etenim haec conficta arbitror esse a poetis ut effictos nostros mores in alienis personis expressamque imaginem vitae cotidianae videremus.
All forms of persona (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.