Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hrútur
←
Proto-Germanic
*hrūtaz
(inherited)
←
Old Norse
hrútr
(inherited)
→
Icelandic
hrútspungur
(affix)