Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*derk
→
English
dark
(inherited)
→
English
terne
(derived)
→
Old English
deorc
(inherited)
→
Middle English
derk
(inherited)
→
Yola
dhourk
(inherited)