Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
nado
←
Galician
nadar
(back-formation)
←
Galician
a nado
(link)
←
Latin
nātus
(inherited)
←
Latin
nāscor
(mention)
←
Old Portuguese
nado
(inherited)