loud vs obstreperous

loud

adj
  • Noisy. 

  • High-quality; premium; (by extension) having a strong or pungent odour indicating good quality. 

  • Of great intensity. 

  • Having unpleasantly and tastelessly contrasting colours or patterns; gaudy. 

  • Not subtle or reserved, brash. 

noun
  • High-quality marijuana. 

  • A loud sound or part of a sound. 

adv
  • Loudly. 

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. 

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