Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
βαβά
←
Old Church Slavonic
баба
(cognate)
←
Greek
βάβα
(link)
←
Greek
γιαγιά
(link)
←
Greek
παραμάνα
(link)
←
Proto-Slavic
*baba
(derived)