diminution vs refluence

diminution

noun
  • A lessening, decrease or reduction. 

  • a compositional technique where the composer shortens the melody by shortening its note values. 

  • The act or process of making diminutive. 

refluence

noun
  • The quality of being refluent; a flowing back. 

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