Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
German -st

English -est (cognate)
English -est (cognate)
German kleinst (suffix)
German äußerst (affix)
German höchst (suffix)
German möglichst (affix)
German nachdrücklichst (affix)
German schleunigst (affix)