Yes, spell is a Scrabble word!

Verb

1. Orally recite the letters of or give the spelling of

2. Indicate or signify

3. Write or name the letters that comprise the conventionally accepted form of (a word or part of a word)

4. Relieve (someone) from work by taking a turn

5. Place under a spell

6. Take turns working

Noun

1. A psychological state induced by (or as if induced by) a magical incantation

2. A time for working (after which you will be relieved by someone else)

3. A period of indeterminate length (usually short) marked by some action or condition

4. A verbal formula believed to have magical force