factione
factione is a Latin form of factio, meaning “faction, party; partisanship”. It is the ablative singular feminine noun.
Found 25 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Civili 1.22: … et, ut tribunos plebis in ea re ex civitate expulsos in suam dignitatem restitueret, ut se et populum Romanum factione paucorum oppressum in libertatem vindicaret. Cuius oratione confirmatus Lentulus, ut in oppidum reverti licea …
All forms of factio (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.