Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English douce
Middle English douce (inherited)
French douce (mention)
Middle French doux (derived)
Old French dolz (derived)
Old French dous (mention)
Latin dulcis (derived)

English douse (alter)
English dulce (mention)
English douceness (suffix)
English doucely (suffix)