Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
tord
←
Proto-Germanic
*turdą
(inherited)
→
English
turd
(derived)
→
English
treddle
(derived)
→
Middle English
tord
(inherited)