Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
French effectif
French effet (suffix)
French if (suffix)

English effective (derived)
French effectivement (affix)
French sureffectif (prefix)
Hungarian effektív (derived)
Indonesian efektif (derived)
Dutch effectief (borrowed)
Polish efektywny (borrowed)
Romanian efectiv (borrowed)