How do you spell language in spanish?

There are a couple of ways to say "to spell" (as in to spell a Word) in Spanish. Escribirse is one - "to write itself" - "¿Cómo se escribe la palabra?". Deletrear is another: ¿Puede deletrear la palabra?.

As a magical spell: encanto, hechizo, encantamiento, embrujar

as a period of time: periodo, temporada