application vs clustering

application

noun
  • A kind of needlework; appliqué. 

  • The act of directing or referring something to a particular case, to discover or illustrate agreement or disagreement, fitness, or correspondence. 

  • The act of applying as a means; the employment of means to accomplish an end; specific use. 

  • A petition, entreaty, or other request, with the adposition for denoting the subject matter. 

  • The act of applying or laying on, in a literal sense 

  • The substance applied. 

  • The act of requesting, claiming, or petitioning something. 

  • A computer program or the set of software that the end user perceives as a single entity as a tool for a well-defined purpose. (Also called: application program; application software.) 

  • Diligence; close thought or attention. 

  • A verbal or written request for assistance or employment or admission to a school, course or similar. 

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 application and clustering occurred in a corpus of books? (source: Google Ngram Viewer )