Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
lumieira
←
Spanish
lumbrera
(cognate)
←
French
lumière
(cognate)
←
Latin
lūmen
(inherited)
←
Old Portuguese
lumẽeira
(inherited)
→
Spanish
lumbrera
(cognate)