Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
healfdead
←
Old English
healf
(affix)
←
Old English
dēad
(affix)
←
Proto-Germanic
*halbadaudaz
(inherited)