helplessness vs strengthlessness

helplessness

noun
  • The state of being helpless. 

  • A feeling of inadequacy or impotence. 

strengthlessness

noun
  • The state of being without power, impotence. 

  • The state of being without talent, talentlessness. 

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