enhancement vs simplification

enhancement

noun
  • An improvement or supplement that tends to increase a sense of esteem. 

  • The degree to which the image of a scan stands out as a bright area. 

simplification

noun
  • A valid simple argument. 

  • The act of simplifying or something that has been simplified. 

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