obstreperous vs scampish

obstreperous

adj
  • Attended by, or making, a loud and tumultuous noise; boisterous. 

  • Stubbornly defiant; disobedient; resistant to authority or control, whether in a noisy manner or not. 

scampish

adj
  • Resembling a scamp; knavish. 

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