Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
redden
←
Old English
hreddan
(inherited)
←
Proto-Germanic
*hradjaną
(inherited)
→
English
rid
(inherited)
→
English
redd
(derived)