Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
dafen
←
Proto-Germanic
*dabaną
(derived)
←
Proto-Indo-European
*dʰabʰ-
(derived)
→
Old English
dafenian
(affix)