Yes, jinn is a Scrabble word!
...and is worth 11 points in Scrabble, and 15 points in Words with Friends
jinn
Noun
1. (Islam) an invisible spirit mentioned in the Koran and believed by Muslims to inhabit the earth and influence mankind by appearing in the form of humans or animals
What Scrabble words can I make with the letters in jinn?
3 Letter Words
2 Letter Words