drainpipe vs piping

drainpipe

noun
  • The type of pipe that is used to construct a drainpipe. 

  • A pipe that carries wastewater from a bathtub, shower, sink, etc. 

  • A pipe that is part of a device or appliance for carrying away waste fluid. 

  • A type of form-fitting trousers with highly tapered legs. 

  • A verticle pipe carrying water from the roof gutter down the side of a building; downspout. 

  • A conduit for carrying rainwater or flood water. 

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. 

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