impugn vs victory

impugn

verb
  • To verbally assault, especially to argue against an opinion, motive, or action; to question the truth or validity of. 

victory

intj
  • Used to encourage someone to achieve success, or to celebrate a success or triumph. 

noun
  • The condition or state of having won a battle or competition, or having succeeded in an effort; (countable) an instance of this. 

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