General sense of "tail":
* La queue: This is the most common and general translation of "tail." It is used for the tails of animals, but also for the tail of a coat, a dress, etc.
Specific uses:
* Le bout: This means "the end" and can be used for the tail of a rope or a line.
* La traîne: This refers to the long trailing part of a gown or dress.
* L'arrière: This means "the back" and can be used for the tail of a car or the rear of a line.
In the context of a coin flip:
* Pile: This refers to the side of a coin with the head image.
* Face: This means "face" and can also refer to the side of a coin with the head image.
It's important to consider the context to choose the most accurate translation.