Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Marienfeld
←
German
Marienfeld
(borrowed)
←
German
Marie
(affix)
←
German
-en
(affix)
←
German
Feld
(affix)