Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Esperanto mem
French même (borrowed)

Esperanto memstara (affix)
Esperanto memportreto (compound)
Esperanto memregado (affix)
Esperanto memofero (affix)
Esperanto memfarado (affix)
Esperanto memkontento (affix)
Esperanto memkontenta (compound)
Esperanto memamo (affix)
Esperanto meminstruito (affix)