Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
épurer
←
French
pur
(mention)
→
French
épure
(mention)
→
French
épuration
(suffix)
→
French
épurateur
(suffix)
→
French
épuratoire
(mention)
→
Norman
êputher
(cognate)
→
Romanian
epura
(borrowed)