Cassock is a 7 letter English word. It's valid Scrabble word worth 15 points. It's valid Words with friends word worth 17 points.
You can make 98 anagrams from letters in cassock (acckoss).
1540-50; Middle Frenchcasaque, perhaps Cossack
When this was done, he signalled to Brother Andrew to take off the cassock.
Roma had knelt again, and was fingering the skirt of the Pope's cassock.
Taking the letters from the pocket of his cassock, the Pope laid them on the table.
Let him have a cassock to preach in; let him have three cassocks, if he find benefit in them.
With my head still buried in Father Dan's cassock I got it out at last.
He wore his cassock with the ease of long habit: he was young.
He was not yet quite certain that Adams had any more of the clergyman in him than his cassock.
He fumbled mechanically at the buttons of his cassock, which seemed to him all disarranged.
She looked down and saw that blood was flowing from his hand and down his cassock.
Pierre, utterly bewildered, could find neither his breeches nor his cassock.