Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English assumption
English assumptio (doublet)
Middle English assumpcioun (derived)
Latin assumptio (derived)

English assumptio (doublet)
English reassumption (prefix)
English preassumption (prefix)
English misassumption (prefix)
English subassumption (prefix)
English nonassumption (prefix)
English self-assumption (prefix)
Spanish asunto (cognate)