craphole vs keister

craphole

noun

  • anus 

  • a contemptible person 

  • a messy or unkempt place 

keister

noun

  • The anus or buttocks. 

  • A suitcase or satchel. 

verb

  • To conceal something in one's rectum 

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