bunch vs cluster

bunch

verb
  • To form a bunch. 

  • To be gathered together in folds 

  • To protrude or swell 

  • To gather fabric into folds. 

  • To gather into a bunch. 

noun
  • A group of similar things, either growing together, or in a cluster or clump, usually fastened together. 

  • A protuberance; a hunch; a knob or lump; a hump. 

  • An informal body of friends. 

  • A considerable amount. 

  • A group of logs tied together for skidding. 

  • An unusual concentration of ore in a lode or a small, discontinuous occurrence or patch of ore in the wallrock. 

  • The reserve yarn on the filling bobbin to allow continuous weaving between the time of indication from the midget feeler until a new bobbin is put in the shuttle. 

  • The peloton; the main group of riders formed during a race. 

  • An unmentioned amount; a number. 

  • An unfinished cigar, before the wrapper leaf is added. 

cluster

verb
  • To form a cluster or group. 

  • To cover with clusters. 

  • To collect into clusters. 

noun
  • A sequence of two or more words that occur in language with high frequency but are not idiomatic; a chunk, bundle, or lexical bundle. 

  • A small metal design that indicates that a medal has been awarded to the same person before. 

  • A set of bombs or mines released as part of the same blast. 

  • A logical data storage unit containing one or more physical sectors (see block). 

  • An ensemble of bound atoms or molecules, intermediate in size between a molecule and a bulk solid. 

  • A group of computers that work together. 

  • A group or bunch of several discrete items that are close to each other. 

  • A number of individuals grouped together or collected in one place; a crowd; a mob. 

  • A clusterfuck. 

  • A subset of a population whose members are sufficiently similar to each other and distinct from others as to be considered a distinct group; such a grouping in a set of observed data that is statistically significant. 

  • A group of consonants. 

  • A group of galaxies or stars that appear near each other. 

  • A secundal chord of three or more notes. 

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