Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
lavrar
←
Latin
labōrāre
(inherited)
←
Latin
labōrō
(mention)
←
Portuguese
laborar
(doublet)
←
Old Portuguese
lavrar
(inherited)
→
Occitan
laurar
(cognate)
→
Portuguese
lavrador
(suffix)