Grue is a 4 letter English word. It's valid Words with friends word worth 7 points.
You can make 24 anagrams from letters in grue (egru).
Middle English word dating back to 1275-1325
The man, grue, had not stirred from his survey of the Atlantic Ocean.
Still, that general staff tag for Mr. grue tickled us a bit.
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.
Then she came upon something that gave her a grue, it seemed at first like a white rock, it was a skull.
grue or grew; to turn from with disgust:—'He grued at the physic.'
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.
I wadna ca' them that on the tap of Ben-Nevis without a grue.
Suddenly there was a flash; a flurrying cloud of blue mud; and grue was gone.
But which it was—the loss of her or the loss of grue, I had not yet made up my mind.