Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
French rationnel
Latin ratiōnālis (mention)

Danish rationel (derived)
French rationaliser (suffix)
French rationalité (suffix)
French rationnellement (suffix)
French birationnel (prefix)
French antirationnel (prefix)
Dutch rationeel (borrowed)
Turkish rasyonel (borrowed)