tissue paper vs toilet paper

tissue paper

noun
  • Thin, translucent paper used for wrapping or for protecting delicate articles. 

  • An unspecified product made of tissue (absorbent paper), such as bathroom tissue, paper handkerchief or household towel. 

toilet paper

noun
  • Paper, usually on a roll, to clean oneself after defecation, or to pat oneself dry after urination. 

verb
  • To cover someone's house (and trees and shrubs) with toilet paper or other similar paper product, often as a celebratory event, without the "victim's" knowledge. Sometimes also performed as an act of hazing. 

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