unfavourable vs unwholesome

unfavourable

adj
  • Not auspicious; ill-boding. 

  • Of wind or weather: causing delay or obstacles; not conducive to travel or work; inclement. 

  • Serving to hinder or oppose; adverse, disadvantageous, inconducive, unsuitable. 

  • Of a belief, state of mind, etc.: not favourable; disapproving. 

unwholesome

adj
  • Not wholesome; unfavorable to health; unhealthful. 

  • Not sound; tainted; defective. 

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

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