Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
obar
←
Proto-Germanic
*uber
(inherited)
←
Proto-West Germanic
*obar
(inherited)
→
German
ober-
(inherited)
→
Old High German
obaro
(mention)