Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English duplication
English duplicate (suffix)
English ion (suffix)
Latin duplico (derived)

English reduplication (prefix)
English deduplication (prefix)
English retroduplication (prefix)
English endoduplication (prefix)
English nonduplication (prefix)
English antiduplication (prefix)
English photoduplication (prefix)
English overduplication (prefix)
English microduplication (prefix)
English transduplication (prefix)
English isoduplication (prefix)
English hyperduplication (prefix)
English multiduplication (prefix)
English preduplication (prefix)
English alloduplication (prefix)
English bioduplication (prefix)
English misduplication (prefix)