joy killer vs reprehensible

joy killer

noun

  • killjoy (Someone or something that hinders fun.) 

reprehensible

noun

  • A reprehensible person; a villain. 

adj

  • Deserving of reprehension. 

  • Blameworthy, censurable, guilty. 

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