Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Basque
balea
←
Proto-Basque
*baɫena
(inherited)
←
Latin
ballaena
(derived)
→
Galician
balea
(cognate)