Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Dutch
opanon
←
Proto-Germanic
*upanōną
(inherited)
→
Afrikaans
open
(inherited)
→
Middle Dutch
openen
(inherited)
→
Dutch
openen
(inherited)