Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
pokoj
←
Proto-Slavic
*pokojь
(inherited)
→
Czech
spokojit
(affix)
→
Czech
pokojný
(suffix)
→
Czech
nepokoj
(affix)