piping vs siphon

piping

noun
  • A system of pipes that compose a structure; pipework. 

  • An act of making music or noise with pipes. 

  • The process of an animal just beginning to break out of its egg; precedes hatching. 

  • The sound of musical pipes. 

  • An ornamentation on the edges of a garment; a small cord covered with cloth. 

  • Icing extruded from a piping bag. 

  • propagation by cuttings 

  • A piece cut off to be set or planted; a cutting. 

adj
  • High-pitched. 

siphon

noun
  • A bent pipe or tube with one end lower than the other, in which hydrostatic pressure exerted due to the force of gravity moves liquid from one reservoir to another. 

  • A soda siphon. 

  • A tubelike organ found in animals or elongated cell found in plants. 

verb
  • To transfer (liquid) by means of a siphon. 

  • To steal or skim off money in small amounts; to embezzle. 

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