General "back":
* Dos: This is the most common and general translation for "back" referring to the back of the body.
* Arrière: This is used when referring to the back of something, such as "the back of the house" (l'arrière de la maison).
Other meanings of "back":
* Retour: This is used when referring to the act of going back, or returning.
* En arrière: This is used when referring to moving backwards.
* Derrière: This is used to indicate something being behind something else.
* Encore: This is used to mean "again" or "more."
Example sentences:
* "I have a pain in my back." (J'ai mal au dos.)
* "The house is in the back." (La maison est à l'arrière.)
* "Go back to your room." (Retourne dans ta chambre.)
* "Step back." (Recule.)
* "The cat is behind the chair." (Le chat est derrière la chaise.)
* "One more time." (Encore une fois.)
So the exact translation of "back" in French will depend on the context and what you are trying to convey.