Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
comarca
←
Proto-Germanic
*markō
(derived)
←
Galician
co
(prefix)
←
Galician
marcar
(prefix)
←
Galician
marco
(mention)
←
Galician
marcar
(link)
←
Galician
demarcar
(link)
←
Proto-Indo-European
*merǵ-
(derived)
←
Old Portuguese
comarca
(inherited)
←
Old Portuguese
comarcar
(mention)
→
Galician
marco
(link)
→
Galician
marca
(link)