vitiation vs wimpishness

vitiation

noun
  • a reduction in the value, or an impairment in the quality of something 

  • moral corruption 

  • an abolition or abrogation 

wimpishness

noun
  • The state or quality of being wimpish. 

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