boom vs falsetto

boom

verb
  • To exclaim with force, to shout, to thunder. 

  • To make a loud, hollow, resonant sound. 

  • To flourish, grow, or progress. 

  • To make something boom. 

  • To subject to a sonic boom. 

  • To extend, or push, with a boom or pole. 

  • Of a Eurasian bittern, to make its deep, resonant territorial vocalisation. 

  • To rapidly adjust the evaluation of a position away from zero, indicating a likely win or loss. 

  • To rush with violence and noise, as a ship under a press of sail, before a free wind. 

  • To raise or lower with a crane boom. 

intj
  • The sound of a bass drum beating. 

  • Used to suggest the sound of an explosion. 

  • Used to suggest something happening suddenly and unexpectedly. 

  • The sound of a cannon firing. 

noun
  • A floating barrier used to obstruct navigation, for military or other purposes; or used for the containment of an oil spill or to control the flow of logs from logging operations. 

  • The section of the arm on a backhoe closest to the tractor. 

  • A period of prosperity, growth, progress, or high market activity. 

  • A rapid expansion or increase. 

  • A movable pole used to support a microphone or camera. 

  • A wishbone-shaped piece of windsurfing equipment. 

  • An instance of booming. 

  • One of the calls of certain monkeys or birds. 

  • A spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour. 

  • A microphone supported on such a pole. 

  • A low-pitched, resonant sound, such as of an explosion. 

  • A horizontal member of a crane or derrick, used for lifting. 

  • The longest element of a Yagi antenna, on which the other, smaller ones are transversally mounted. 

  • A gymnastics apparatus similar to a balance beam. 

falsetto

verb
  • To sing or utter in falsetto. 

noun
  • A person who sings in falsetto. 

  • The "false" (singing) voice in any human, usually airy and lacking a purity of vowels; created by utilizing the next highest vocal folds above those used for speech and normal range singing. It is commonly confused with the head voice register. 

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