Grues is a 5 letter English word. It's valid Words with friends word worth 7 points.
You can make 60 anagrams from letters in Grues (egrsu).
Middle English word dating back to 1275-1325
grue or grew; to turn from with disgust:—'He grued at the physic.'
I wadna ca' them that on the tap of Ben-Nevis without a grue.
Then she came upon something that gave her a grue, it seemed at first like a white rock, it was a skull.
But which it was—the loss of her or the loss of grue, I had not yet made up my mind.
Still, that general staff tag for Mr. grue tickled us a bit.
Suddenly there was a flash; a flurrying cloud of blue mud; and grue was gone.
I sat on that suggestion, but offered to take my own tiller and lend him grue.
Nor was grue lying asleep anywhere on the other side of the coral ridge.
Now the grue was an immense crane—used in some repairs of the Pont Neuf—which still held its place at the approach to the bridge.
The man, grue, had not stirred from his survey of the Atlantic Ocean.