sorore
sorore is a Latin form of soror, meaning “sister”. It is the ablative singular feminine noun.
Found 67 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Civili 3.103: … hanc rem idoneos existimabam Pelusium pervenit. Ibi casu rex erat Ptolomaeus, puer aetate, magnis copiis cum sorore Cleopatra bellum gerens, quam paucis ante mensibus per suos propinquos atque amicos regno expulerat; castraqu …
All forms of soror (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.