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