bedclothes vs pyjamas

bedclothes

noun
  • Clothing worn to bed. 

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

pyjamas

noun
  • Britain standard spelling of pajamas (clothes for sleeping in). 

  • Britain standard spelling of pajamas (loose trousers worn by men and women in South Asia). 

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