Yes, teasing is a Scrabble word!

Verb

1. Annoy persistently

2. Harass with persistent criticism or carping

3. To arouse hope, desire, or curiosity without satisfying them

4. Tear into pieces

5. Raise the nap of (fabrics)

6. Disentangle and raise the fibers of

7. Separate the fibers of

8. Mock or make fun of playfully

9. Ruffle (one's hair) by combing the ends towards the scalp, for a full effect

Adjective

1. Playfully vexing (especially by ridicule)

2. Arousing sexual desire without intending to satisfy it

3. Causing irritation or annoyance

Noun

1. The act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances

2. Playful vexation

3. The act of removing tangles from you hair with a comb