tortuousness vs torsion

tortuousness and torsion both are nouns.

Word	Noun	Adjective	Verb	Adverb
tortuousness	Yes	No	No	No
torsion	Yes	No	No	No

As nouns, tortuousness and torsion are synonyms defined as:

Other synonyms of tortuousness include contortion, crookedness, tortuosity.

tortuousness (noun)	torsion (noun)
puzzling complexity	a twisting force
a tortuous and twisted shape or position	a tortuous and twisted shape or position