crash vs falsetto

crash

verb
  • To make a sudden loud noise. 

  • To hit or strike with force 

  • To make or experience informal temporary living arrangements, especially overnight. 

  • To lie down for a long rest, sleep or nap, as from tiredness or exhaustion. 

  • To give, as a favor. 

  • To accelerate a project or a task or its schedule by devoting more resources to it. 

  • To collide with something destructively, fall or come down violently. 

  • To terminate extraordinarily. 

  • To cause to terminate extraordinarily. 

  • To experience a period of depression and/or lethargy after a period of euphoria, as after the euphoric effect of a psychotropic drug has dissipated. 

  • To severely damage or destroy something by causing it to collide with something else. 

  • To take a sudden and severe turn for the worse; to rapidly deteriorate. 

noun
  • A type of rough linen. 

  • A sudden, intense, loud sound, as made for example by cymbals. 

  • A group of rhinoceroses. 

  • An automobile, airplane, or other vehicle accident. 

  • A sudden large decline of business or the prices of stocks (especially one that causes additional failures). 

  • A sudden decline in any living form's population levels, often leading to extinction. 

  • A malfunction of computer software or hardware which causes it to shut down or become partially or totally inoperable. 

  • A comedown from a drug. 

adj
  • Quick, fast, intensive, impromptu. 

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 crash and falsetto occurred in a corpus of books? (source: Google Ngram Viewer )