Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
mainel
←
Catalan
mainell
(cognate)
←
French
meneau
(cognate)
←
Old French
*meienel
(derived)
←
Latin
mediānus
(derived)