Yes, els is a Scrabble word!
...and is worth 3 points in Scrabble, and 4 points in Words with Friends
els
Noun
1. Angular distance above the horizon (especially of a celestial object)
2. A railway that is powered by electricity and that runs on a track that is raised above the street level
What Scrabble words can I make with the letters in els?
3 Letter Words
2 Letter Words