Crayon, nm : pencil
écrire au crayon : to write in pencil
un crayon de couleur : a colored pencil

The French word « crayon « looks exactly like the English word “crayon.

The most common meaning of “crayon” in English is “a colorful wax drawing stick,” typically used by children.

In French, « crayon » typically means a pencil; however, it can refer to a “sketch, outline or draft.”

Pour les mots croisés, je préfère utiliser un crayon plutôt qu’un stylo.
I prefer using a pencil for crosswords rather than a pen.

L’architecte leur a fait un crayon de leur future maison.
The architect did them a sketch of their future house.