Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Dutch
cost
→
Afrikaans
kus
(inherited)
→
Afrikaans
kos
(inherited)
→
Indonesian
kos
(derived)
→
Indonesian
indekos
(derived)
→
Dutch
kost
(inherited)
→
Dutch
kust
(inherited)