Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
wuntaron
←
Proto-Germanic
*wundrōną
(inherited)
←
Old High German
wuntar
(affix)
←
Old High German
-ōn
(affix)