Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
contagio
←
Spanish
contagiar
(link)
←
Spanish
contagión
(link)
←
Spanish
contagioso
(link)
←
Latin
contāgium
(derived)
→
Spanish
contagiar
(affix)
→
Spanish
contagioso
(affix)