Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
сур
←
Old Church Slavonic
соуръ
(inherited)
←
Kazakh
сўр
(cognate)
←
Proto-Slavic
*syrъ
(derived)
←
Proto-Turkic
*sǖr-
(cognate)
→
Romanian
sur
(cognate)