Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
nadar
←
Latin
natāre
(inherited)
←
Latin
natō
(mention)
→
Kabuverdianu
nada
(derived)
→
Papiamentu
landa
(cognate)
→
Guinea-Bissau Creole
nada
(derived)
→
Portuguese
nado
(back-formation)