Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
Iltud
←
Old Breton
tut
(inherited)
→
Breton
Iltudig
(suffix)
→
Breton
Iltuda
(suffix)
→
Breton
Iltudez
(suffix)
→
Breton
Iltuden
(suffix)
→
French
Iltud
(borrowed)