conspicuousness vs readability

conspicuousness

noun
  • The property of being clearly discernible by the mind; obviousness. 

  • Eminence; celebrity; renown. 

  • Openness or exposure to the view; a state of being clearly visible. 

readability

noun
  • The property of being capable of being read; legibility. 

  • The property of being easy or engaging to read. 

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