Yes, waul is a Scrabble word!
...and is worth 7 points in Scrabble, and 9 points in Words with Friends
waul
Verb
1. Make high-pitched, whiney noises
What Scrabble words can I make with the letters in waul?
3 Letter Words
2 Letter Words
Verb
1. Make high-pitched, whiney noises
3 Letter Words
2 Letter Words