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: In Italy, they say rain on your wedding day is symbolic of fresh beginnings, cleansing, a pure marriage, and also a wet knot that can't be untied.
Slub
Part of speech: verb
Definition: To draw and twist fibers in order to prepare them for spinning.
Part of speech: noun
Definition: A small thickened portion or knot found on linen yarn, caused by defects.Sludge.Fabric fiber produced by slubbing.