asymmetrical vs structureless

asymmetrical

adj
  • Not symmetrical. 

  • Presenting a false dilemma, or a choice between two things which are not opposites. 

structureless

adj
  • Lacking structure. 

  • Lacking structures, edifices. 

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