contortion vs deformation

contortion and deformation both are nouns.

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

As nouns, contortion and deformation are synonyms defined as:

contortion and deformation: the act of twisting or deforming the shape of something (e.g., yourself)

contortion (noun)	deformation (noun)
the act of twisting or deforming the shape of something (e.g., yourself)	the act of twisting or deforming the shape of something (e.g., yourself)
a tortuous and twisted shape or position	a change for the worse
	alteration in the shape or dimensions of an object as a result of the application of stress to it