eminence vs obscurity

eminence

noun
  • Someone of high rank, reputation or social status. 

  • Prominence in a particular order or accumulation; esteem. 

  • A protuberance. 

  • An elevated land area or a hill. 

  • A dark purple color. 

  • The quality or state of being eminent. 

  • eminence 

obscurity

noun
  • The state of being unknown; a thing that is unknown. 

  • The quality of being difficult to understand; a thing that is difficult to understand. 

  • Darkness; the absence of light. 

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