Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
guiar
←
Gothic
*𐍅𐌹𐌳𐌰𐌽
(derived)
←
Old Portuguese
guiar
(inherited)
→
Spanish
guiar
(cognate)
→
Portuguese
guia
(back-formation)