crumb vs particle

crumb

noun
  • A bit, small amount. 

  • A mixture of sugar, cocoa and milk, used to make industrial chocolate. 

  • A nobody; a worthless person. 

  • A small piece of other material, such as rubber. 

  • A body louse (Pediculus humanus). 

  • The soft internal portion of bread, surrounded by crust. 

  • A small piece which breaks off from baked food (such as cake, biscuit or bread). 

verb
  • To cover with crumbs. 

  • To break into crumbs or small pieces with the fingers; to crumble. 

particle

noun
  • A little bit. 

  • A part of speech which cannot be inflected. 

  • A very small piece of matter, a fragment; especially, the smallest possible part of something. 

  • Any of various physical objects making up the constituent parts of an atom; an elementary particle or subatomic particle. 

  • A part of speech that has no inherent lexical definition but must be associated with another word to impart meaning, often a grammatical category: for example, the English word to in a full infinitive phrase (to eat) or O in a vocative phrase (O Canada), or as a discourse marker (mmm). 

  • In the Roman Catholic church, a crumb of consecrated bread; also the smaller breads used in the communion of the laity. 

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