leftover vs overfill

leftover

noun
  • Something left behind; an excess or remainder. 

  • Remaining after a meal is complete or eaten for a later meal or snack. 

adj
  • Remaining; left behind; extra; in reserve. 

overfill

noun
  • An instance of overfilling. 

verb
  • To fill beyond capacity or beyond what is appropriate. 

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