Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
ealdfæder
←
Old English
eald
(compound)
←
Old English
fæder
(compound)
←
Proto-West Germanic
*aldafader
(inherited)
→
English
eldfather
(inherited)
→
Middle English
eldefader
(mention)