Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*dumb
→
English
dumb
(inherited)
→
Old English
dumb
(derived)
→
German
dumm
(inherited)
→
German Low German
dumm
(inherited)
→
Dutch
dom
(inherited)