Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
costela
←
Spanish
costilla
(cognate)
←
Galician
costa
(suffix)
←
Galician
ela
(suffix)
←
Latin
costa
(derived)
←
Portuguese
costela
(cognate)