creaming vs rubbing

creaming

noun
  • The act by which something is creamed. 

  • A cookery technique in which fat and sugar are mixed together with the incorporation of air to form a cream. 

rubbing

noun
  • An impression of an embossed or incised surface made by placing a piece of paper over it and rubbing with graphite, crayon or other coloring agent. 

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