cologne vs sachet

cologne

noun
  • A type of perfume consisting of 2-5% essential oils, 70-90 % alcohol and water. 

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 cologne and sachet occurred in a corpus of books? (source: Google Ngram Viewer )