gape vs passthrough

gape

noun
  • A large opening. 

  • An act of gaping; a yawn. 

  • A disease in poultry caused by gapeworm in the windpipe, a symptom of which is frequent gaping. 

  • The width of an opening. 

  • The maximum opening of the mouth (of a bird, fish, etc.) when it is open. 

verb
  • To open wide; to display a gap. 

  • To open the passage to the vomeronasal organ, analogous to the flehming in other animals. 

  • To depict a dilated anal or vaginal cavity upon penetrative sexual activity. 

  • To stare in wonder. 

  • To open the mouth wide, especially involuntarily, as in a yawn, anger, or surprise. 

passthrough

noun
  • A wall opening intended to allow something to be passed through it. 

  • as of a signal through a device or network. 

  • A legal entity intended to not incur (income) taxation at the entity, but solely at the beneficiaries. 

  • as of increased costs through a business entity to its customers through increased prices. 

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