Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
er
←
German
er
(cognate)
←
Proto-Germanic
*iz
(inherited)
←
Middle High German
ër
(inherited)
←
Proto-West Germanic
*iʀ
(inherited)
←
Old High German
er
(inherited)
→
Cimbrian
èar
(alter)
→
Old High German
er
(link)