Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Dutch
adere
←
Proto-West Germanic
*ādrā
(inherited)
←
Old Dutch
*āthera
(inherited)
→
Afrikaans
aar
(inherited)