Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
retentor
←
Latin
retentor
(borrowed)
←
Latin
retentare
(mention)
←
Latin
retinere
(mention)
←
Latin
re-
(mention)
←
Latin
tenere
(mention)