Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Dutch
ploech
←
Proto-Germanic
*plōgaz
(inherited)
←
Old Dutch
*pluog
(inherited)
→
Middle Dutch
ploegen
(affix)
→
Dutch
ploeg
(inherited)