punchbowl vs slop-bowl

punchbowl

noun
  • A large bowl used for making or serving punch (the beverage). 

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 punchbowl and slop-bowl occurred in a corpus of books? (source: Google Ngram Viewer )