lats vs slop bucket

lats

noun
  • Latrines: rudimentary or military facilities for urination and defecation. 

  • The latissimus dorsi muscles. 

slop bucket

noun
  • A bucket used for urination and defecation: a chamber pot. 

  • A receptacle used to hold liquid waste. 

  • A pail used to hold food waste for disposal, e.g. by feeding to pigs. 

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