dispersion vs trove

dispersion

noun
  • The removal of inflammation. 

  • The state of being dispersed; dispersedness. 

  • The degree of scatter of data. 

  • The separation of visible light by refraction or diffraction. 

  • A process of dispersing. 

trove

noun
  • A collection of things. 

  • A treasure trove; a collection of treasure. 

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