ILEUM

Yes. "ILEUM" is in the ENABLE word list, accepted by Words With Friends and most open Scrabble apps. It scores 7 points in Scrabble and 10 points in Words With Friends.

In Scrabble, "ILEUM" is worth 7 points before bonuses. In Words With Friends, it's worth 10 points. Played on a triple-word-score, the Scrabble value becomes 21.

The last, and usually the longest, division of the small intestine; the part between the jejunum and large intestine.

No, "ILEUM" has no anagrams in the ENABLE dictionary — it's the only word that can be formed from its exact letters.