blood vs plasma

blood

noun
  • A vital liquid flowing in the bodies of many types of animals that usually conveys nutrients and oxygen. In vertebrates, it is colored red by hemoglobin, is conveyed by arteries and veins, is pumped by the heart and is usually generated in bone marrow. 

  • A blood test or blood sample. 

  • Temper of mind; disposition; mood 

  • Bloodshed. 

  • The juice of anything, especially if red. 

  • One of the four humours in the human body. 

  • A blood horse, one of good pedigree. 

  • A friend or acquaintance, especially one who is black and male. 

  • The sap or juice which flows in or from plants. 

  • A family relationship due to birth, such as that between siblings; contrasted with relationships due to marriage or adoption (see blood relative, blood relation, by blood). 

verb
  • To cause something to be covered with blood; to bloody. 

  • To let blood (from); to bleed. 

  • To initiate into warfare or a blood sport, traditionally by smearing with the blood of the first kill witnessed. 

plasma

noun
  • Blood plasma, free of suspended cells, used in transfusions. 

  • A clear component of blood or lymph containing fibrin. 

  • A state of matter consisting of partially ionized gas and electrons. 

  • A visual effect in which cycles of changing colours are warped in various ways to give the illusion of liquid organic movement. 

  • A variety of green quartz, used in ancient times for making engraved ornaments. 

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