answered question 10/7/2010 What Is The Correct Spelling For Hors Deouvres On An Invitation? It Is Hor'deours, Hor Deours, Hors'doeures, Hors D'oeuvres, Hors D'oeures The correct spelling is always Hors d'oeuvre without the "s" at the end. Hors d'oeuvre is both singular and plural in french.