Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
eix
←
Spanish
eje
(cognate)
←
French
ais
(cognate)
←
Proto-Indo-European
*h₂eḱs-
(derived)
←
Latin
axis
(inherited)
←
Occitan
ais
(cognate)