Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lower Sorbian
kral
←
Czech
král
(borrowed)
←
Lower Sorbian
krol
(doublet)
←
Proto-Slavic
*korľь
(derived)