Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
sušti
←
Old Church Slavonic
сꙑ
(borrowed)
←
Serbo-Croatian
sući
(doublet)
←
Proto-Slavic
*sy
(derived)