Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
estret
←
Latin
strictus
(inherited)
←
Occitan
estreit
(cognate)
→
Catalan
estretament
(affix)
→
Catalan
estretor
(affix)