Gnarl
Part of speech: verb
Definition: to knot or twist something to snarl or growl; to gnar
Part of speech: noun
Definition: a knot in wood; a large or hard knot, or a protuberance with twisted grain, on a tree. something resembling a knot in wood, such as in stone or limbs. The average value of the magnitude squared of the curl of a vector field over a continuous path that is tangent to the vector field at every point. In mathematical notation, gnarl is represented by the lowercase Greek letter ΞΎ.
Knot
Part of speech: verb
Definition: To form into a knot; tie with (a) knot(s).To form wrinkles in the forehead, as a sign of concentration, concern, surprise, etc.
Part of speech: noun
Definition: A looping of a piece of string or of any other long, flexible material that cannot be untangled without passing one or both ends of the material through its loops.A tangled clump.A maze-like pattern.A closed curve that is an abstraction of a knot (in sense 1 above).A difficult situation.A unit of speed, equal to one nautical mile per hour.Either of two species of small wading birds, the red knot (Calidris canutus) and the great knot (Calidris tenuirostris).The whorl left in lumber by the base of a branch growing out of the tree's trunk.Local swelling in a tissue area, especially skin, often due to injury.A group of people or things.
Example sentence: I am not a yachting person, by nature, but I have just enough experience on the sea under sail to feel a certain nostalgia for it when I see a big white racing yacht heeled over at cruising speed on the ocean, and I can still tie a mean bowline knot on just about anything in less than 10 seconds.