bead vs particle

bead

noun
  • Various small, round solid objects. 

  • A narrow molding with semicircular section. 

  • A bubble, in spirits. 

  • Each in a string of small balls making up the rosary or paternoster. 

  • Knowledge sufficient to direct one's activities to a purpose. 

  • A small, round ball at the end of a barrel of a gun used for aiming. 

  • A small drop of water or other liquid. 

  • A small, round object with a hole to allow it to be threaded on a cord or wire, particularly for decorative purposes. 

  • A rigid edge of a tire that mounts it on a wheel; tire bead. 

verb
  • To cause beads to form on (something). 

  • To apply beads to. 

  • To form into a bead. 

particle

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

  • A part of speech which cannot be inflected. 

  • A little bit. 

  • 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 bead and particle occurred in a corpus of books? (source: Google Ngram Viewer )