long sweetening vs syrup

long sweetening

noun
  • A viscous, syrupy sweetener, generally molasses, but sometimes table syrup. 

syrup

noun
  • Any thick liquid that has a high sugar content and which is added to or poured over food as a flavouring. 

  • A wig. 

  • Any viscous liquid. 

verb
  • To convert or process into syrup. 

  • To add syrup to. 

  • To sabotage (a vehicle) by pouring syrup into the gas tank. 

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