Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Dutch
reini
←
Proto-Germanic
*hrainiz
(inherited)
→
Middle Dutch
reine
(inherited)
→
Dutch
rein
(inherited)
→
Old Dutch
reinen
(affix)
→
Old Dutch
unreini
(affix)