Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
derne
←
Old English
dyrnan
(inherited)
←
English
dern
(mention)
←
English
dearn
(mention)
←
Proto-Indo-European
*dʰer-
(root)