saucepan vs slop-bowl

saucepan

noun
  • A deep cooking vessel with a handle and sometimes a lid; used for boiling, stewing and making sauces. 

verb
  • To cook in a saucepan 

slop-bowl

noun
  • Part of a traditional tea set, used to empty the cold tea and dregs in tea cups before refilling with hot tea. Usually pottery or silver. 

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