Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
горѣти
←
Proto-Slavic
*gorěti
(inherited)
→
Old Church Slavonic
грѣхъ
(cognate)
→
Old Church Slavonic
възгорѣти
(prefix)