Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
eldefader
←
Old English
ealdefæder
(inherited)
←
Old English
ealdfæder
(mention)
←
Old Frisian
aldfader
(cognate)