MOAS

Yes. "MOAS" is in the ENABLE word list, accepted by Words With Friends and most open Scrabble apps. It scores 6 points in Scrabble and 7 points in Words With Friends.

In Scrabble, "MOAS" is worth 6 points before bonuses. In Words With Friends, it's worth 7 points. Played on a triple-word-score, the Scrabble value becomes 18.

Any of several species of large, extinct, flightless birds of the family Dinornithidae that were native to New Zealand; until its extinction, one species was the largest bird in the world.

1 anagram can be formed using the same letters as MOAS: SOMA.