disestablish vs rivet

disestablish

verb
  • To deprive (an established church, military squadron, operations base, etc.) of its official status. 

  • To abolish (an existing position of employment). 

rivet

noun
  • Any fixed point or certain basis. 

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

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 disestablish and rivet occurred in a corpus of books? (source: Google Ngram Viewer )