torsion vs tortuosity

torsion and tortuosity both are nouns.

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

As nouns, torsion and tortuosity are synonyms defined as:

Other synonyms of torsion include contortion, crookedness, tortuousness.

torsion (noun)	tortuosity (noun)
a twisting force	a tortuous and twisted shape or position
a tortuous and twisted shape or position