pecking order vs quality

pecking order

noun
  • The natural hierarchy of social status and dominance occurring in a group of birds. 

  • The usually informal hierarchy of authority or command, often partial or approximate, as determined by the especially natural propensity for domination of different members of a specific group over each other, such as older brothers and sisters over their younger siblings. 

quality

adj
  • Being of good worth, well made, fit for purpose; of high quality. 

noun
  • The third step in OPQRST where the responder investigates what the NOI/MOI feels like. 

  • A newspaper with relatively serious, high-quality content. 

  • Something that differentiates a thing or person. 

  • Level of excellence. 

  • The degree to which a man-made object or system is free from bugs and flaws, as opposed to scope of functions or quantity of items. 

  • In a two-phase liquid–vapor mixture, the ratio of the mass of vapor present to the total mass of the mixture. 

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