Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
rere
←
Latin
retro
(inherited)
→
Catalan
enrere
(compound)
→
Catalan
darrere
(compound)
→
Catalan
rerefons
(prefix)
→
Catalan
rerepaís
(compound)