sachet vs sweetness

sachet

noun
  • 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. 

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

sweetness

noun
  • A pleasant disposition; kindness. 

  • Term of address for one's sweetheart. 

  • The condition of being sweet or sugary. 

  • The quality of giving pleasure to the mind or senses, pleasantness, agreeableness. 

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