bedclothes vs doona

bedclothes

noun
  • Sheets, blankets, quilts or other coverings used on a bed. 

  • Clothing worn to bed. 

doona

noun
  • A padded blanket used as a cover in bed; a duvet. 

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