Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
réacteur
→
French
biréacteur
(prefix)
→
French
quadriréacteur
(prefix)
→
French
carburéacteur
(mention)
→
Portuguese
reator
(derived)
→
Romanian
reactor
(borrowed)