amplify vs quiet

amplify

verb
  • To add content that is not present in the source text to the target text, usually to improve the fluency of the translation. 

  • To increase the amplitude of something, especially of an electric current. 

  • To render larger, more extended, or more intense. 

  • To enlarge by addition or commenting; to treat copiously by adding particulars, illustrations, etc.; to expand. 

quiet

verb
  • To become quiet or calm. 

  • To cause (someone or something) to become quiet. 

adj
  • Not busy, of low quantity. 

  • Not talking much or not talking loudly; reserved. 

  • With little or no sound; free of disturbing noise. 

  • Not showy; undemonstrative. 

  • Requiring little or no interaction. 

  • Having little motion or activity; calm. 

noun
  • The absence of sound; quietness. 

  • The absence of movement; stillness, tranquility. 

  • The absence of disturbance or trouble; peace, security. 

intj
  • Be quiet. 

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