Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
épancher
←
Old French
espancier
(inherited)
←
Latin
expando
(inherited)
→
French
épanchement
(affix)
→
Bourguignon
répainché
(cognate)