double-plus-good vs extraordinary

double-plus-good

adj

  • Excellent, very good. 

extraordinary

adj

  • Remarkably good. 

  • Special or supernumerary. 

  • Not ordinary; exceptional; unusual. 

noun

  • Anything that goes beyond what is ordinary. 

How often have the words double-plus-good and extraordinary occurred in a corpus of books? (source: Google Ngram Viewer )