Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
tractar
←
Latin
tractāre
(borrowed)
←
Latin
tractō
(mention)
→
Catalan
tractament
(suffix)
→
Catalan
maltractar
(affix)