concretion vs massiveness

concretion

noun
  • The process of aggregating or coalescing into a mass. 

  • The action of making something concrete or the result of such an action. 

  • A solid, hard mass formed by a process of aggregation or coalescence. 

  • A rounded mass of a mineral, sometimes found in sedimentary rock or on the ocean floor. 

massiveness

noun
  • The property of being massive. 

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