Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
razón
←
Spanish
razón
(derived)
←
Latin
ratiō
(inherited)
←
Latin
ratiōnem
(mention)
←
Old Portuguese
razon
(inherited)
→
Galician
razoable
(suffix)