acquiescent vs impertinent

acquiescent

adj
  • willing to acquiesce, accept or agree to something without objection, protest or resistance 

  • resting satisfied or submissive; disposed tacitly to submit 

impertinent

noun
  • An impertinent individual. 

adj
  • irrelevant, useless. 

  • insolent, ill-mannered. 

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