diffuseness vs repetition

diffuseness

noun
  • The state or quality of being diffuse. 

  • The result or product of being diffuse. 

repetition

verb
  • To petition again. 

noun
  • The act or an instance of repeating or being repeated. 

  • The act of performing a single, controlled exercise motion. A group of repetitions is a set. 

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