distortion vs knot

distortion and knot both are nouns.

Word	Noun	Adjective	Verb	Adverb
distortion	Yes	No	No	No
knot	Yes	No	Yes	No

As nouns, knot is a hyponym of distortion; that is, knot is a word with a more specific, narrower meaning than distortion:

Other hyponyms of distortion include contortion, crookedness, torsion, tortuosity, tortuousness, buckle, warp, gnarl.

distortion (noun)	knot (noun)
the act of distorting something so it seems to mean something it was not intended to mean	a sandpiper that breeds in the Arctic and winters in the Southern Hemisphere
the mistake of misrepresenting the facts	any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
a change for the worse	soft lump or unevenness in a yarn; either an imperfection or created by design
an optical phenomenon resulting from the failure of a lens or mirror to produce a good image	a tight cluster of people or things
a change (usually undesired) in the waveform of an acoustic or analog electrical signal; the difference between two measurements of a signal (as between the input and output signal)	something twisted and tight and swollen
a shape resulting from distortion	a hard cross-grained round piece of wood in a board where a branch emerged
	(of ships and wind) a unit of speed equal to one nautical mile per hour or about 1.15 statute miles per hour

distortion (verb)	knot (verb)
	tie or fasten into a knot
	tangle or complicate
	make into knots; make knots out of