Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*krumpaz
→
English
crump
(inherited)
→
English
cromlech
(derived)
→
English
crome
(derived)
→
Welsh
cromlech
(derived)
→
Welsh
crwm
(derived)