rickrack vs trimming

rickrack

noun
  • A zigzag trim sewn to clothes for decoration. 

trimming

noun
  • An ornamental accessory to a dress or other piece of clothing. 

  • The act or process of someone who trims. 

  • An instance of that act or process. 

  • An accessory or accompaniment. 

  • Material that is removed by someone trimming something, as a piece of steak. 

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