Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Turkic
*č(i)ak-
→
Bashkir
шаҡмаҡ
(derived)
→
Kazakh
шақпақ
(derived)
→
Turkish
çakmak
(derived)