Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Spanish eco
Ancient Greek ἠχώ (derived)
Latin ēchō (borrowed)

Spanish yucateco (suffix)
Spanish ecólogo (confix)
Spanish ecosistema (prefix)
Spanish ecología (confix)
Spanish ecocardiograma (prefix)
Spanish ecozona (prefix)