Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
plk
←
Proto-Germanic
(mention)
←
Proto-Slavic
*pъlkъ
(inherited)
→
Serbo-Croatian
puk
(mention)