Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
French éployer
French é- (affix)
French ployer (affix)
French expliquer (doublet)
Middle French esployer (mention)
Latin ex (derived)
Latin plicō (mention)
Latin explicō (cognate)

French expliquer (doublet)