Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Iranian *gā́wš

→ Baluchi گوک (inherited)
→ Central Kurdish گا (inherited)
→ Persian گاو (inherited)
→ Mazanderani گو (inherited)
→ Ossetian гъог (inherited)
→ Ossetian хъуг (inherited)
→ Old Persian 𐎰𐎫𐎦𐎢𐏁 (derived)
→ Southern Kurdish گا (inherited)