S-cedilla
Ş ş (S-cedilla) is a letter used in Turkish, Azeri, Tatar, Kurdish and Turkmenian languages.This letter is pronounced similarly to "sh" (IPA: [ʃ]).
Example words: Timişoara, Eskişehir, Şimarik
It is sometimes used to represent the Romanian letter Ș/ș (S with comma) on outdated systems which do not support the glyph.