undesirable vs unwholesome

undesirable

adj
  • objectionable or not likely to please 

noun
  • An undesirable person. 

unwholesome

adj
  • Not sound; tainted; defective. 

  • Not wholesome; unfavorable to health; unhealthful. 

  • Indicating unsound health; characteristic of or suggesting an unsound condition, physical or mental; repulsive; offensive. 

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