Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Karakhanid
ااقْ
←
Old Turkic
𐰀𐰴
(cognate)
←
Turkish
ak
(cognate)
←
Proto-Turkic
*āk
(inherited)
→
Gagauz
ak
(cognate)
→
Turkish
ak
(cognate)