Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
arada
←
Catalan
aradre
(mention)
←
Spanish
arado
(cognate)
←
Proto-Indo-European
*h₂érh₃trom
(inherited)
←
Latin
arātrum
(inherited)
←
Occitan
araire
(cognate)
→
Spanish
arado
(cognate)
→
Romanian
arat
(cognate)