Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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French ouvrer
French œuvrer (doublet)
French ouvrir (mention)
French opérer (mention)
Old French ovrer (mention)
Latin (mention)
Latin operor (mention)

French œuvrer (mention)
French ouvreur (suffix)
French ouvreur (link)
French ouvrable (suffix)
French ouvroir (suffix)