Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
ујак
←
Proto-Indo-European
*h₂éwh₂os
(derived)
←
Proto-Slavic
*ujь
(inherited)
→
Bulgarian
вуйчо
(cognate)
→
Lithuanian
avynas
(cognate)
→
Russian
уй
(cognate)