clean language vs sacrilege

clean language

noun
  • A questioning technique focused on the use of language, assumptions, metaphors, paradigms and sensations familiar to the person questioned. 

sacrilege

noun
  • Desecration, profanation, misuse or violation of something regarded as sacred. 

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