Yes, fez is a Scrabble word!
...and is worth 15 points in Scrabble, and 15 points in Words with Friends
fez
Noun
1. A city in north central Morocco; religious center
2. A felt cap (usually red) for a man; shaped like a flat-topped cone with a tassel that hangs from the crown
What Scrabble words can I make with the letters in fez?
2 Letter Words