Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
rucio
←
Latin
rōscidus
(inherited)
←
Old Spanish
rucio
(inherited)
←
Portuguese
ruço
(cognate)
→
Galician
ruzo
(cognate)
→
Portuguese
ruço
(cognate)