pipeline vs vent

pipeline

verb
  • To lay a system of pipes through something 

  • To design (a microchip etc.) so that processing takes place in efficient stages, the output of each stage being fed as input to the next. 

  • To connect a tube from ones mouth to ones anus (or the anus of another), in order to force someone to eat feces. 

  • To convey something by a system of pipes 

noun
  • A channel (either physical or logical) by which information is transmitted sequentially (that is, the first information in is the first information out). 

  • A conduit made of pipes used to convey water, gas or petroleum etc. 

  • A system or process through which something is conducted. 

  • The inside of a wave that a surfer is riding, when the wave has started closing over it. 

vent

verb
  • To allow to escape through a vent. 

  • To allow gases to escape. 

  • To determine the sex of (a chick) by opening up the anal vent or cloaca. 

  • To ventilate; to use a ventilator; to use ventilation. 

  • To express a strong emotion. 

  • To snuff; to breathe or puff out; to snort. 

  • To sell; to vend. 

noun
  • An opening in a volcano from which lava or gas flows. 

  • Opportunity of escape or passage from confinement or privacy; outlet. 

  • A small aperture. 

  • The opening at the breech of a firearm, through which fire is communicated to the powder of the charge. 

  • Ventriloquism. 

  • A slit in the seam of a garment. 

  • Emission; escape; passage to notice or expression; publication; utterance. 

  • An opening through which gases, especially air, can pass. 

  • The excretory opening of lower orders of vertebrates. 

  • A rant; a long session of expressing verbal frustration. 

  • In steam boilers, a sectional area of the passage for gases divided by the length of the same passage in feet. 

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