Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aragonese
yegua
←
Catalan
euga
(cognate)
←
Galician
egua
(cognate)
←
Proto-Indo-European
*h₁éḱwos
(derived)
←
Latin
equa
(inherited)
←
Latin
equus
(mention)
←
Portuguese
égua
(cognate)
←
Romanian
iapă
(cognate)