drainpipe vs leach

drainpipe

noun
  • 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. 

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

  • 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. 

leach

noun
  • A tub or vat for leaching ashes, bark, etc. 

  • A jelly-like sweetmeat popular in the fifteenth century. 

  • A quantity of wood ashes, through which water passes, and thus imbibes the alkali. 

verb
  • To purge a soluble matter out of something by the action of a percolating fluid. 

  • To part with soluble constituents by percolation. 

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