Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese perigo
Spanish peligro (cognate)
Latin perīculum (derived)
Old Portuguese perigo (inherited)
Old Portuguese perigoo (mention)

Portuguese perigoso (suffix)
Portuguese periguete (affix)
Portuguese piriguete (affix)
Portuguese perigar (suffix)