Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
derne
←
Old English
dyrne
(inherited)
←
Old English
dierne
(mention)
→
English
dern
(mention)
→
English
dern
(mention)