Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
fendo
←
Proto-West Germanic
*fanþijō
(inherited)
←
Proto-Indo-European
*pent-
(derived)
→
Dutch
vent
(cognate)