Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
doblar
←
Latin
dūplō
(mention)
←
Latin
dūplus
(inherited)
←
Old Occitan
doblar
(inherited)
→
Catalan
desdoblar
(affix)
→
Catalan
doblatge
(suffix)
→
French
doubler
(cognate)