Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
boba
←
Proto-Balto-Slavic
*bā́ˀbāˀ
(inherited)
←
Proto-Slavic
*baba
(cognate)