Kafs is a 4 letter English word. It's valid Words with friends word worth 10 points.
You can make 21 anagrams from letters in kafs (afks).
From the Arabic word kāf
The mountain of kaf may set bounds to the world, but never to the ideas and wishes of the ambitious.
I will follow thee, if it be thy will beyond the kaf, in the land of the Afrits.
kaffiyeh, kaf′i-ye, n. a small shawl worn about the head in Syria.
They dwelt in the land of Jinnestan, in the mountains of kaf.
This world is in the midst of the mountain of kaf, just as the finger is in the midst of the ring.
Others say that the Nile flows from snowy mountains, and they are the mountains called kaf.
Forder's guide explained who he was and that he wanted to go to kaf.
Caph (kaf), β Cassiopeiæ, "the camel's hump," or "the hand."
He will give me your letter, and I swear to you, I will cross the mountains of kaf, to deliver you!
I will follow thee, if it be thy will, beyond the kaf, in the land of the afrits.