euphemism vs purism

euphemism

noun
  • The use of a word or phrase to replace another with one that is considered less offensive, blunt or vulgar than the word or phrase which it replaces. 

  • A word or phrase that is used to replace another in this way. 

purism

noun
  • The desire to use words and forms derived from what is considered the native element in a given language instead of elements considered borrowed or foreign. 

  • An example of purist language etc. 

  • An insistence on the traditionally correct way of doing things. 

  • An insistence on pure or unmixed forms. 

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