Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English problematic
Middle French problématique (borrowed)
Ancient Greek προβληματικός (derived)
Ancient Greek πρόβλημα (mention)
Ancient Greek προβάλλω (mention)
Ancient Greek πρό (mention)
Ancient Greek βάλλω (mention)

English problematical (suffix)
English problematically (suffix)
English unproblematic (prefix)
English nonproblematic (prefix)
English multiproblematic (prefix)
English problematicness (suffix)
English metaproblematic (prefix)