Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English expound
English expose (doublet)
Middle English expounden (inherited)
Old French espondre (derived)
Proto-Indo-European *tḱey- (root)
Latin expono (derived)

English expose (doublet)
English expounder (suffix)
English expone (mention)
English misexpound (prefix)
English expoundeth (suffix)
English expoundest (suffix)
English expoundable (suffix)
Welsh esbonio (cognate)