Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
dworzec
←
Czech
dvorec
(cognate)
←
Polish
dwór
(affix)
←
Polish
-iec
(affix)
←
Russian
дворец
(cognate)