equivocality vs evasion

equivocality

noun
  • The quality of being equivocal. 

evasion

noun
  • The act of eluding or evading or avoiding, particularly the pressure of an argument, accusation, charge, or interrogation; artful means of eluding. 

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