coyness vs repression

coyness

noun
  • The property of being coy. 

repression

noun
  • The act of repressing; state of being repressed. 

  • The involuntary rejection from consciousness of painful or disagreeable ideas, memories, feelings, or impulses. 

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