Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
-ow
←
German
Grabow
(link)
←
German
Treptow
(link)
←
Polish
-ów
(derived)
←
Russian
-ов
(derived)
←
Russian
-ов
(cognate)