Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
farelo
←
Asturian
fariellu
(cognate)
←
Galician
farelo
(cognate)
←
Latin
far
(derived)
→
Galician
farelo
(cognate)
→
Portuguese
esfarelar
(affix)