General spelling:
* Épeler (most common): This is the general verb for spelling, meaning to say the letters of a word.
* Orthographier (more formal): This verb is used when talking about spelling rules or the correct way to write a word.
Specific spelling:
* Épeler un mot: Spell a word.
* Épeler son nom: Spell your name.
* Épeler lettre par lettre: Spell it letter by letter.
* Quelle est l'orthographe de ce mot?: What is the spelling of this word?
Example:
* "Pouvez-vous épeler votre nom, s'il vous plaît?" (Can you spell your name, please?)
* "Je ne sais pas orthographier ce mot." (I don't know how to spell this word.)