Thebis
Thebis is a Latin form of Thebe, meaning “Thebes (usually pl. Thebae: Thebes in Boeotia, or in Egypt)”. It is the ablative plural feminine noun or dative plural feminine noun.
Found 72 times in the Latin texts on Socratos.
Where it is used
Ovid, Metamorphoses 3.561: Penthea terrebit cum totis advena Thebis?
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.