Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latgalian
buoba
←
Latgalian
baba
(doublet)
←
Proto-Slavic
*baba
(derived)
→
Latgalian
baba
(doublet)