Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Kumyk
оюн
←
Proto-Turkic
*oy-
(inherited)
←
Undetermined
*oyun
(mention)
→
Kumyk
оюнчакъ
(suffix)