harm vs toil

harm

noun
  • detriment; misfortune. 

  • physical injury; hurt; damage 

  • That which causes injury, damage, or loss. 

  • emotional or figurative hurt 

verb
  • To cause injury to another; to hurt; to cause damage to something. 

toil

noun
  • Trouble, strife. 

  • Labour, work, especially of a grueling nature. 

  • A net or snare; any thread, web, or string spread for taking prey. 

verb
  • To struggle. 

  • To labour; work. 

  • To weary through excessive labour. 

  • To work (something); often with out. 

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