Bienvenue.
Welcome
The correct spelling is "you're welcome".
The correct spelling is the proper noun "French."
de rien
The correct spelling of goodbye in French is "au revoir."
The correct spelling is "mannequin" (display dummy, from the French).
The correct spelling is "entrepreneur" (from the French term).
The correct spelling of 40s (1940s) is "forties."
The correct spelling is from the French : camouflage(hiding through disguise).
The correct spelling of the vehicle is "limousine."
The correct spelling is limousine (from the French, a long chauffeured car).
'de jur' is not a correct French spelling. 'du jour' is correct.