Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
mercores
←
Latin
(inherited)
←
Latin
dīes Mercuriī
(mention)
←
Latin
Mercurius
(mention)
→
Galician
mércores
(inherited)