lining vs pillowcase

lining

noun
  • A covering for the inside surface of something. 

  • The material used for such a covering. 

  • The act of attaching such a covering. 

pillowcase

noun
  • A washable, easily removable cloth cover for pillows. 

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