conquering vs takeover

conquering

takeover

noun
  • The purchase of one company by another; a merger without the formation of a new company, especially where some stakeholders in the purchased company oppose the purchase. 

  • The acquisition of a public company whose shares are listed on a stock exchange, in contrast to the acquisition of a private company. 

  • A time or event in which control or authority, especially over a facility is passed from one party to the next. 

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