Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Azerbaijani buynuz
Proto-Turkic *bujŋuŕ (inherited)
Proto-Turkic *büjŋüŕ (mention)

Azerbaijani buynuzvari (suffix)
Bashkir мөгөҙ (cognate)
Kazakh мүйіз (cognate)