equal vs peer

equal

noun
  • A person or thing of equal status to others. 

verb
  • To make equivalent to; to cause to match. 

  • To have as its consequence. 

  • To be equal to, to have the same value as; to correspond to. 

adj
  • Intended for voices of one kind only, either all male or all female; not mixed. 

  • Adequate; sufficiently capable or qualified. 

  • The same in all respects. 

  • Exactly identical, having the same value. 

peer

noun
  • Somebody who is, or something that is, at a level or of a value equal (to that of something else). 

  • Someone who pees, someone who urinates. 

  • A look; a glance. 

  • A noble with a title, i.e., a peerage, and in times past, with certain rights and privileges not enjoyed by commoners. 

  • Someone who is approximately the same age (as someone else). 

  • A comrade; a companion; an associate. 

verb
  • To make equal in rank. 

  • To carry communications traffic terminating on one's own network on an equivalency basis to and from another network, usually without charge or payment. Contrast with transit where one pays another network provider to carry one's traffic. 

  • To look with difficulty, or as if searching for something. 

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