Most scholars, however, assume that these are the regular reflexes of Proto-Turkic *l and *r.[9] Oghuric is thus sometimes referred to as Lir-Turkic and Common Turkic as Shaz-Turkic.
[10]Dybo suggests that during that period, the Northern branch steadily migrated from Western Mongolia through Southern Xinjiang into the north's Dzungaria and then finally into Kazakhstan's Zhetysu until the 5th century.
One plural suffix preserved in both Oghuric and Common Turkic is *-(I)ŕ, in words such as Turkish "ikiz" or "biz," or Chuvash "(e)pir."
Other possible plural suffixes are *-(I)t, which was commonly seen in Old Turkic, and is related to Proto-Mongolic *-d and Proto-Tungusic *-tA; and *-(A)n, preserved in very few words such as Turkish "oğlan."
Reconstructable possessive suffixes in Proto-Turkic includes 1SG *-m, 2SG *-ŋ, and 3SG *-(s)i, plurals of the possessors are formed by *-z in Common Turkic languages.