Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
siekiera
←
Proto-Slavic
*sekyra
(inherited)
→
Belarusian
сякера
(borrowed)
→
Polish
siekierka
(suffix)