Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
dilestrañ
←
Breton
di-
(affix)
←
Breton
lestr
(affix)
←
Breton
-añ
(affix)