cleanness vs eruption

cleanness

noun
  • The state of being physically clean and free of contamination or dirt; cleanliness. 

  • Moral purity; innocence. 

eruption

noun
  • A violent ejection, such as the spurting out of lava from a volcano. 

  • A sudden release of pressure or tension. 

  • An infection of the skin resulting in a rash or blemishing. 

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