Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Spanish sano
Proto-Indo-European *swā-n- (derived)
Latin sānus (inherited)

Esperanto sana (cognate)
Spanish sanear (affix)
Spanish sanidad (suffix)
Spanish sanamente (affix)
Spanish matasanos (affix)
Spanish sanito (affix)
Galician san (cognate)