Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old East Slavic
голосъ
←
Old East Slavic
гласъ
(doublet)
←
Proto-Slavic
*golsъ
(inherited)
→
Old East Slavic
гласъ
(doublet)
→
Russian
голос
(inherited)
→
Ukrainian
голос
(derived)