Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese caixa
Latin capsa (inherited)
Old Portuguese cajxa (inherited)
Old Portuguese qajxa (mention)

Galician caixa (cognate)
Portuguese encaixe (link)
Portuguese encaixar (confix)
Portuguese caixão (suffix)
Portuguese caixeiro (compound)
Portuguese caixote (suffix)
Portuguese caixilho (suffix)
Swahili kasha (derived)