circular file vs wastebasket

circular file

noun
  • The trash container; the wastebasket. 

wastebasket

noun
  • A usually small indoor receptacle for items that are to be discarded; a rubbish bin. 

verb
  • To discard in a wastebasket. 

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