torsion vs contortion

torsion and contortion both are nouns.

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

As nouns, torsion and contortion are synonyms defined as:

Other synonyms of torsion include crookedness, tortuosity, tortuousness.

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