Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
начѧти
←
Old Church Slavonic
на
(prefix)
←
Old Church Slavonic
чѧти
(prefix)
←
Proto-Slavic
*načęti
(inherited)
→
Old Church Slavonic
начѧло
(affix)
→
Latin
recens
(mention)
→
Russian
начать
(cognate)