Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
fraco
←
Spanish
flaco
(cognate)
←
Latin
flaccus
(borrowed)
←
Portuguese
fraco
(cognate)
←
Old Portuguese
fraco
(inherited)
→
Galician
enfraquecer
(affix)