Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Spanish curso
← Spanish coso (doublet)
← Latin cursus (borrowed)

→ Spanish coso (doublet)
→ Spanish cursillo (suffix)
→ Spanish cursito (affix)
→ Ido kurso (derived)
→ Latin cursus (link)