Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
breton
→
French
bretonner
(affix)
→
Norwegian Bokmål
bretonsk
(derived)
→
Norwegian Nynorsk
bretonsk
(derived)
→
Romanian
breton
(mention)