Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
fæhþ
←
Old English
fāh
(affix)
←
Old English
-þ
(affix)
←
Proto-West Germanic
*faihiþu
(inherited)