Common Turkic, or Shaz Turkic, is a taxon in some classifications of the Turkic languages that includes all of them except the Oghuric languages.

Common Turkic
Geographic distribution	Southern Europe, Eastern Europe, Western Asia, Central Asia, North Asia, East Asia
Linguistic classification	Turkic Common Turkic
Subdivisions	Oghuz Kipchak Karluk Siberian Turkic Arghu
Glottolog	comm1245
Map of the distribution of Common Turkic Languages across Eurasia

Classification

Lars Johanson's proposal contains the following subgroups:[1][2]

• Southwestern Common Turkic (Oghuz)
• Northwestern Common Turkic (Kipchak)
• Southeastern Common Turkic (Karluk)
• Northeastern Common Turkic (Siberian)
• Arghu Common Turkic (Khalaj)

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.

In other classification schemes (such as those of Alexander Samoylovich and Nikolay Baskakov), the breakdown is different.

References