Knap is a 4 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 12 points.
You can make 22 anagrams from letters in knap (aknp).
before 1000; Middle English; Old English cnæpp top, summit; cognate with Old Norse knappr knob
knap′bottle, the bladder-campion; knap′per, one who breaks stones, esp.
knap, to break in two; also, to speak after the manner of the English.
When the inhabitants were removed to knap in North Curry and elsewhere, they took their old rafters with them or sold these.
Billy had showed David how to knap flint and chert the week before, after seeing a filmstrip about it in class.
And 'tis on the knap afore the old captain's house at Mistover.
But from a knap on the knee-pan I have known a man a lamiter for life.
It was Mrs. knap who had the happy thought—the Peace Movement.
"Really, I think he might have kept his remarks to himself," said Dr. knap.
Also, a blow or correction, as "you'll knap it," for some misdeed.
knap was quite young in those days, an excitable fellow with a sharp nose that gave him an air of self-importance.