Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
eiken
←
Middle Dutch
eikijn
(inherited)
←
Dutch
eik
(suffix)
←
Dutch
en
(suffix)
→
English
oaken
(cognate)