Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
aisina
←
Latin
adiacēns
(derived)
←
Old Occitan
aizina
(derived)
→
Catalan
eina
(cognate)