Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
fylfot
←
Old English
fyllan
(derived)
←
Old English
fōt
(inherited)
←
Middle English
fillen
(inherited)
←
Middle English
fot
(mention)