achieve vs seize upon

achieve

verb
  • To carry out successfully; to accomplish. 

  • Show all the spoils by valiant kings achieved. 

  • To succeed in something, now especially in academic performance. 

  • To obtain (a material thing). 

  • To obtain, or gain (a desired result, objective etc.), as the result of exertion; to succeed in gaining; to win. 

seize upon

verb
  • To take up, embrace, enact, or turn eagerly to (a plan, idea, ideology, cause, practice, method, etc.); to grasp, understand, and accept quickly; to adopt wholeheartedly or vigorously. 

  • To grasp or take hold of (an object) suddenly, forcibly, or tightly. 

  • To take possession of or claim (an idea, person, event, etc.) as one's own; to assimilate, absorb, annex, co-opt. 

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