Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
rillar
←
Spanish
reñir
(cognate)
←
Latin
ringor
(inherited)
←
Latin
radō
(derived)
←
Portuguese
rilhar
(cognate)