loud vs transonic

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. 

transonic

adj
  • Just below, or just above the speed of sound (0.8 < Ma < 1.2 approximately). 

  • Travelling through a fluid (commonly air) at a speed where regions of supersonic and subsonic flow coexist simultaneously over different portions of the surface of the moving object in question. 

  • Passing from subsonic to supersonic, or vice versa. 

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