Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Galician depenar
Galician de (prefix)
Galician pena (prefix)
Portuguese depenar (cognate)
Old Portuguese depenar (inherited)

Galician pena (link)
Galician depenicar (suffix)
Portuguese depenar (cognate)