Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
reter
←
Latin
retinēre
(inherited)
←
Latin
retineō
(mention)
←
Old Portuguese
retẽer
(inherited)
→
Galician
derreter
(mention)