Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
Yann
←
Latin
Ioannes
(derived)
→
Breton
Yannig
(suffix)
→
French
Yannick
(mention)
→
French
Yann
(borrowed)