Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Dutch
eer
←
Proto-Germanic
*airiz
(inherited)
←
Proto-West Germanic
*aiʀu
(inherited)
←
Old Dutch
ēr
(inherited)
→
Dutch
eer
(inherited)
→
Dutch
eer
(inherited)