catena vs conglomerate

catena

noun
  • A series of related items. 

  • A series of distinct soils arrayed along a slope. 

conglomerate

noun
  • A cluster of heterogeneous things. 

  • A rock consisting of gravel or pebbles embedded in a matrix. 

  • A corporation formed by the combination of several smaller corporations whose activities are unrelated to the corporation's primary activity. 

verb
  • To combine together into a larger mass. 

  • To combine together into a larger corporation. 

adj
  • Clustered together into a mass. 

  • Composed of fragments of rock, pebbles, or stones cemented together. 

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