Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
жещи
←
Proto-Balto-Slavic
*degtéi
(inherited)
←
Proto-Indo-European
*dʰégʷʰeti
(inherited)
←
Proto-Slavic
*žeťi
(inherited)
→
Old Church Slavonic
зажещи
(prefix)
→
Old Church Slavonic
съжещи
(prefix)
→
Ancient Greek
τέφρα
(cognate)