Yes, fils is a Scrabble word!
...and is worth 7 points in Scrabble, and 8 points in Words with Friends
fils
Noun
1. 100 Yemeni fils are worth one Yemeni rial
2. A fractional monetary unit in Bahrain and Iraq and Jordan and Kuwait; equal to one thousandth of a dinar
What Scrabble words can I make with the letters in fils?
3 Letter Words
2 Letter Words