in the depths of … vs solitary

in the depths of …

solitary

noun
  • One who lives alone, or in solitude; an anchorite, hermit or recluse. 

  • Solitary confinement. 

  • The state of being solitary; solitude 

adj
  • Performed, passed, or endured alone 

  • Living or being by oneself; alone; having no companion present 

  • Not much visited or frequented; remote from society 

  • Single; individual; sole. 

  • gloomy; dismal, because of not being inhabited. 

  • Not inhabited or occupied; without signs of inhabitants or occupation; desolate; deserted 

  • Not associated with others of the same kind. 

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