Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese seguro
Catalan - (cognate)
English sicker (cognate)
Spanish seguro (cognate)
French sûr (cognate)
Galician - (cognate)
Italian sicuro (cognate)
Latin sēcūrus (inherited)
Occitan segur (cognate)
Old Portuguese seguro (inherited)

Portuguese inseguro (affix)
Portuguese assegurar (mention)
Portuguese seguridade (suffix)