Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *swā-n-

Catalan sa (derived)
Spanish sano (derived)
French sain (derived)
Italian sano (derived)
Latin sanus (derived)
Dutch sun (derived(nl/id))
Dutch zoen (derived)
Portuguese são (derived)