fluctuation vs integrity

fluctuation

noun
  • A wavering; unsteadiness. 

  • In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion. 

  • A motion like that of waves; a moving in this and that direction. 

integrity

noun
  • Trustworthiness; keeping your word. 

  • The state of being wholesome; unimpaired 

  • Steadfast adherence to a strict moral or ethical code. 

  • With regards to data encryption, ensuring that information is not altered by unauthorized persons in a way that is not detectable by authorized users. 

  • The ability of systems to provide timely warnings to users when they should not be used for navigation. 

  • The quality or condition of being complete; pure 

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