eraser vs peer

eraser

noun
  • One who erases. 

  • A thing used to erase or remove something written or drawn by a pen or a pencil. 

  • A thing used to erase something written by chalk on a chalkboard, by marker on a whiteboard, or by some other erasable implement; a chalkboard eraser, whiteboard eraser, etc. 

  • An overwriter program used to prevent data recovery. 

peer

noun
  • Someone who pees, someone who urinates. 

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

  • 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 eraser and peer occurred in a corpus of books? (source: Google Ngram Viewer )