Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
boekpens
←
German
Buch
(cognate)
←
German
Kalender
(cognate)
←
Dutch
boek
(compound)
←
Dutch
pens
(compound)
→
Afrikaans
boep
(inherited)
→
Afrikaans
boepens
(inherited)