Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old French eor

Old French tricheor (suffix)
Old French robeor (suffix)
Old French jardineor (suffix)
Old French respondeor (suffix)
Old French josteor (suffix)
Old French flateour (suffix)
Old French chaceor (suffix)
Old French pecheor (suffix)
Old French meneor (suffix)
Old French herpeor (suffix)
Old French passeor (suffix)
Old French cumbateor (suffix)
Old French engigneor (suffix)
Old French vanteor (suffix)
Old French conteor (suffix)
Old French coreor (suffix)
Old French troveor (suffix)
Old French parçonneour (suffix)
Old French mireor (suffix)
Old French vendeor (suffix)
Old French chanteor (suffix)
Old French conbateor (suffix)
Old French losengeor (suffix)
Old French enchanteor (suffix)
Old French momeor (suffix)
Old French procureor (suffix)
Old French comandeor (suffix)