Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old East Slavic
вънукъ
→
Belarusian
унучка
(inherited)
→
Russian
внук
(inherited)
→
Russian
внучка
(inherited)
→
Ukrainian
внук
(inherited)
→
Ukrainian
онук
(inherited)