dispel vs intensify

dispel

noun
  • An act or instance of dispelling. 

verb
  • To drive away or cause to vanish by scattering. 

  • To remove (fears, doubts, objections etc.) by proving them unjustified. 

intensify

verb
  • To render more intense 

  • To become intense, or more intense; to act with increasing power or energy. 

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