Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
lagar
←
Spanish
lagar
(cognate)
←
Latin
lacus
(derived)
←
Portuguese
lagar
(cognate)
←
Old Portuguese
lagar
(inherited)
→
Spanish
lagar
(cognate)
→
Galician
lagareta
(suffix)