blood clot vs clot

blood clot

noun
  • A clot formed from platelets and other elements; that forms in a blood vessel in a living organism, and causes thrombosis or obstruction of the vessel at its point of formation or travel to other areas of the body. 

clot

noun
  • A thrombus, solidified mass of blood. 

  • A solidified mass of any liquid. 

  • A silly person. 

verb
  • To form a clot or mass. 

  • To cause to clot or form into a mass. 

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