shitter vs voider

shitter

noun
  • An objectionable person or thing. 

  • A toilet or lavatory; an outhouse. 

  • One who defecates. 

  • The anus. 

  • Someone lacking skill, especially in a video game. 

voider

noun
  • One who, or that which, voids, empties, vacates, or annuls. 

  • A contrivance in armour for covering an unprotected part of the body; a gousset. 

  • A tray or basket formerly used to receive or convey that which is voided or cleared away from a given place; especially, one for carrying off the remains of a meal, as fragments of food; sometimes, a basket for containing household articles, as clothes, etc. 

  • A servant whose business is to void, or clear away, a table after a meal. 

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