Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
découpler
←
French
dé
(prefix)
←
French
coupler
(prefix)
→
English
decouple
(mention)
→
French
découplage
(suffix)
→
French
découplement
(suffix)
→
Romanian
decupla
(borrowed)