Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
fußeln
←
German
Fuß
(suffix)
←
German
eln
(suffix)
←
German
füßeln
(doublet)
→
German
füßeln
(doublet)