Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Italian sé
← Spanish sí (cognate)
← French soi (cognate)
← Latin sē (inherited)
← Portuguese si (cognate)

→ Spanish sí (cognate)
→ French soi (cognate)
→ Ido su (derived)
→ Portuguese si (cognate)