cutup vs japer

cutup

noun
  • Someone who cuts up; someone who acts boisterously or clownishly, for example, by playing practical jokes. 

  • A work produced by the aleatory literary technique of cutting up and rearranging a written text to create a new text. 

japer

noun
  • One who japes; a joker. 

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