Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
drouktuadur
←
Breton
drouk
(compound)
←
Breton
tuadur
(compound)
→
Breton
drouktuadurioù
(suffix)