tortuosity vs contortion

tortuosity and contortion both are nouns.

Word	Noun	Adjective	Verb	Adverb
tortuosity	Yes	No	No	No
contortion	Yes	No	No	No

As nouns, tortuosity and contortion are synonyms defined as:

Other synonyms of tortuosity include crookedness, torsion, tortuousness.

tortuosity (noun)	contortion (noun)
a tortuous and twisted shape or position	the act of twisting or deforming the shape of something (e.g., yourself)
	a tortuous and twisted shape or position