Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Esperanto ge-
German ge- (derived)
Dutch ge- -te (cognate)

Esperanto gea (back-formation)
Esperanto gepatroj (prefix)
Esperanto gefrato (affix)
Esperanto geedzoj (affix)
Esperanto geknabo (affix)
Esperanto prageonklo (compound)
Esperanto geamantoj (affix)
Esperanto gekokoj (prefix)
Ido ge- (derived)