KAKAS

Yes. "KAKAS" is in the ENABLE word list, accepted by Words With Friends and most open Scrabble apps. It scores 13 points in Scrabble and 13 points in Words With Friends.

In Scrabble, "KAKAS" is worth 13 points before bonuses. In Words With Friends, it's worth 13 points. Played on a triple-word-score, the Scrabble value becomes 39.

Any of four taxa of birds in the genus Nestor in the parrot family confined to New Zealand and adjacent islands.

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