moor vs rivet

moor

verb
  • To secure or fix firmly. 

  • To fix or secure (e.g. a vessel) in a particular place by casting anchor, or by fastening with ropes, cables or chains or the like. 

  • To cast anchor or become fastened. 

noun
  • An extensive waste covered with patches of heath, and having a poor, light soil, but sometimes marshy, and abounding in peat; a heath 

  • A game preserve consisting of moorland. 

rivet

verb
  • To make firm or immovable. 

  • To command the attention of. 

  • To attach or fasten parts by using rivets. 

  • To install rivets. 

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. 

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