Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*saikijaną
→
German
sicken
(derived)
→
German
sickig
(derived)
→
Middle Dutch
seiken
(inherited)
→
Dutch
zeiken
(inherited)