pecker vs rivet

pecker

noun
  • Any machine or machine part moving in a pecking fashion 

  • Someone who or something that pecks, striking or piercing in the manner of a bird's beak or bill 

  • A kind of V-shaped telegraphic relay. 

  • A bird, particularly a member of the group including the woodpeckers, flowerpeckers, oxpeckers, and berrypeckers. 

  • Any tool used in a pecking fashion, particularly kinds of hoes or pickaxes. 

  • A penis; cock, dick. 

  • Spirits, nerve, courage. 

  • A nose. 

  • A bird's beak or bill. 

rivet

noun
  • A cylindrical mechanical fastener that attaches multiple parts together by fitting through a hole and deforming the head(s) at either end. 

  • Any fixed point or certain basis. 

verb
  • To command the attention of. 

  • To attach or fasten parts by using rivets. 

  • To make firm or immovable. 

  • To install rivets. 

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