Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Esperanto gaso
German Gas (cognate)
English gas (cognate)
Spanish gas (cognate)
Italian gas (cognate)

Esperanto tergaso (compound)
Esperanto gasumi (suffix)
Esperanto gasmasko (compound)
Esperanto gasodukto (compound)
Ido gaso (derived)