Yes, glow is a Scrabble word!
...and is worth 8 points in Scrabble, and 10 points in Words with Friends
glow
Verb
1. Emit a steady even light without flames
2. Have a complexion with a strong bright color, such as red or pink
3. Shine intensely, as if with heat
4. Be exuberant or high-spirited
5. Experience a feeling of well-being or happiness, as from good health or an intense emotion
Noun
1. An alert and refreshed state
2. Light from nonthermal sources
3. The phenomenon of light emission by a body as its temperature is raised
4. A feeling of considerable warmth
5. A steady even light without flames
6. The amount of electromagnetic radiation leaving or arriving at a point on a surface
7. An appearance of reflected light
What Scrabble words can I make with the letters in glow?
3 Letter Words
2 Letter Words