Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
ба́тя
→
Bulgarian
баща
(cognate)
→
Russian
папа
(link)
→
Russian
папочка
(link)
→
Russian
папка
(link)
→
Russian
батюшка
(affix)
→
Russian
батько
(affix)
→
Russian
батька
(affix)
→
Russian
батька
(link)