distortion vs skewness

distortion

noun
  • An act of distorting. 

  • An effect used in music, most commonly on guitars in rock or metal. 

  • A result of distorting. 

  • A misrepresentation of the truth. 

  • an aberration that causes magnification to change over the field of view. 

  • Noise or other artifacts caused in the electronic reproduction of sound or music. 

skewness

noun
  • The property of being skew. 

  • A measure of the asymmetry of the probability distribution of a real-valued random variable; is the third standardized moment, defined as scriptstyle 𝛾₁=(𝜇₃)/(𝜎³),! where 𝜇₃ is the third moment about the mean and 𝜎 is the standard deviation. 

How often have the words distortion and skewness occurred in a corpus of books? (source: Google Ngram Viewer )