Common Turkic or Shaz Turkic is a taxon in some of the classifications of the Turkic languages, which in Lars Johanson proposal contain the following subgroups: * Southwestern Common Turkic (Oghuz) * Northwestern Common Turkic (Kipchak) * Southeastern Common Turkic (Karluk/Uyghur) * Northeastern Common Turkic (Siberian) In that classification scheme, Common Turkic is opposed to Oghur Turkic (Lir-Turkic). The Common Turkic languages are characterized by sound correspondences such as Common Turkic š versus Oghuric l and Common Turkic z versus Oghuric r.