memorability vs notability

memorability

noun
  • The quality or state of being memorable. 

notability

noun
  • The quality or state of being notable or eminent. 

  • A notable or eminent person or thing. 

  • Locally eminent people; the bourgeoisie or upper middle class 

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