friendship vs solitude

friendship

noun
  • The condition of being friends. 

  • Good will. 

  • A friendly relationship, or a relationship as friends. 

solitude

noun
  • A lonely or deserted place. 

  • Aloneness; the state of being alone, solitary, or by oneself. 

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