Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Asturian
blancu
←
Spanish
blanco
(cognate)
←
Proto-Germanic
*blankaz
(derived)
←
Proto-Indo-European
*bhleg-
(derived)
→
Asturian
perblancu
(prefix)