dessertspoon vs dessertspoonful

dessertspoon

noun
  • A unit of measure, being equivalent to two teaspoons or two-thirds of a tablespoon, or approximately 10 millilitres; a dessertspoonful. 

  • An item of cutlery; a spoon, larger than a teaspoon and smaller than a tablespoon, used for eating dessert. 

  • More generally, that volume of a substance which is contained within a dessert spoon. 

dessertspoonful

noun
  • A quantity of something about the volume of a dessertspoon, or 2 teaspoons. 

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