Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
marxe
←
Spanish
margen
(cognate)
←
Proto-Indo-European
*merǵ-
(inherited)
←
Latin
marginem
(inherited)
←
Latin
margo
(mention)
←
Portuguese
margem
(cognate)
→
Galician
marxa
(link)