Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
folgo
←
Galician
folgar
(back-formation)
←
Latin
follicō
(derived)
←
Portuguese
fôlego
(cognate)
→
Galician
refolgo
(prefix)