Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
fursti
←
German
Fürst
(derived)
←
Old High German
furisto
(derived)
→
Icelandic
kjörfursti
(compound)