Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
pejcz
←
German
Peitsche
(borrowed)
←
Polish
bicz
(doublet)
←
Proto-Slavic
*bičь
(derived)
→
Polish
bicz
(doublet)