fragrance vs sachet

fragrance

noun
  • A pleasant smell or odour. 

verb
  • To apply a fragrance to; to perfume. 

sachet

noun
  • A small scented cloth bag filled with fragrant material such as herbs or potpourri. 

  • A cheesecloth bag of herbs and/or spices added during cooking and then removed before serving. 

  • A small, sealed packet containing a single-use quantity of any material. 

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