Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
réunion
←
French
réunir
(mention)
←
French
union
(mention)
→
French
réunionite
(suffix)
→
Norman
rêunion
(cognate)
→
Romanian
reuniune
(borrowed)