Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Italian oculo
Proto-Indo-European *h₃ekʷ- (root)
Italian occhio (doublet)
Latin oculus (borrowed)

Italian occhio (doublet)
Italian oculistica (confix)
Italian oculomotore (prefix)
Italian oculomozione (prefix)
Italian oculorinite (prefix)