agglutination vs clod

agglutination

noun
  • The act of uniting by glue or other tenacious substance; the state of being thus united; adhesion of parts. 

  • Combination in which root words are united with little or no change of form or loss of meaning. See agglutinative. 

  • The clumping together of red blood cells or bacteria, usually in response to a particular antibody. 

clod

noun
  • A lump of something, especially of earth or clay. 

  • Part of a shoulder of beef, or of the neck piece near the shoulder. 

  • The ground; the earth; a spot of earth or turf. 

  • A stupid person; a dolt. 

verb
  • To collect into clods, or into a thick mass; to coagulate; to clot. 

  • To pelt with clods. 

  • To throw violently; to hurl. 

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