leftover vs remnant

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. 

remnant

noun
  • The small portion remaining of a larger thing or group. 

  • The remaining fabric at the end of the bolt. 

  • An unsold end of piece goods, as cloth, ribbons, carpets, etc. 

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