Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin demonstro
Latin dē- (affix)
Latin mōnstrō (affix)

English demonstrate (borrowed)
German demonstrieren (derived)
French démontrer (inherited)
Old French demoustrer (inherited)
Italian dimostrare (mention)
Norman dêmonstratif (derived)