clean sweep vs conquest

clean sweep

noun
  • The winning, by a person or team, of all the possible possible prizes, games, rounds or contests, etc in a competition, season or series. 

  • A thorough change of policies, personnel or things, removing or replacing all or almost all of what was there previously. 

  • A complete or overwhelming victory, especially one in which all or almost all possible electoral contests are won. 

conquest

noun
  • A competitive mode found in first-person shooter games in which competing teams (usually two) attempt to take over predetermined spawn points labeled by flags. 

  • Victory gained through combat; the subjugation of an enemy. 

  • That which is conquered; possession gained by force, physical or moral. 

  • An act or instance of overcoming an obstacle. 

  • A person whose romantic affections one has gained, or with whom one has had sex, or the act of gaining another's romantic affections. 

verb
  • To compete with an established competitor by placing advertisements for one's own products adjacent to editorial content relating to the competitor or by using terms and keywords for one's own products that are currently associated with the competitor. 

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