Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*pьlniti
→
Czech
plnit
(inherited)
→
Lower Sorbian
połniś
(inherited)
→
Polish
pełnić
(inherited)