arrangement vs clustering

arrangement

noun
  • A collection of things that have been arranged. 

  • An agreement. 

  • Preparations for some undertaking. 

  • An adaptation of a piece of music for other instruments, or in another style. 

  • The act of arranging. 

  • A particular way in which items are organized. 

  • The manner of being arranged. 

clustering

noun
  • A grouping of a number of similar things. 

  • The undesirable contiguous grouping of elements in a hash table. 

  • A prewriting technique consisting of writing ideas down on a sheet of paper around a central idea within a circle, with the related ideas radially joined to the circle using rays. 

  • The grouping of a population based on ethnicity, economics or religion. 

adj
  • Forming a cluster. 

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