Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
Kaourintina
←
Breton
Kaourintin
(suffix)
←
Breton
a
(suffix)
→
Breton
Tina
(mention)