Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Azerbaijani o
Azerbaijani onunku (link)
Old Anatolian Turkish اول (inherited)
Proto-Turkic *ol (inherited)

Azerbaijani elə (mention)
Azerbaijani şol (cognate)
Crimean Tatar o (cognate)
Chuvash вӑл (cognate)