assembly vs mob

assembly

noun
  • A congregation of people in one place for a purpose. 

  • A building block of an application, similar to a DLL, but containing both executable code and information normally found in a DLL's type library. The type library information in an assembly, called a manifest, describes public functions, data, classes, and version information. 

  • A beat of the drum or sound of the bugle as a signal to troops to assemble. 

  • A set of pieces that work together in unison as a mechanism or device. 

  • The act of putting together a set of pieces, fragments, or elements. 

  • A legislative body. 

mob

noun
  • A large or disorderly group of people; especially one bent on riotous or destructive action. 

  • A mob cap. 

  • See also: Mob, Mafia (proper noun senses for specific ones) 

  • A group of animals such as horses or cattle. 

  • mobile phone 

  • See also: Mob (the masses) 

  • A group of kangaroos. 

  • A mafia: a group that engages in organized crime. 

  • A non-player character, especially one that exists to be fought or killed to further the progression of the story or game. 

  • A group of Aboriginal people associated with an extended family group, clan group or wider community group, from a particular place or country. 

  • A flock of emus. 

verb
  • To wrap up in, or cover with, a cowl. 

  • To crowd around (someone), sometimes with hostility. 

  • To crowd into or around a place. 

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