nail it vs nullify

nail it

verb
  • Synonym of hit the nail on the head 

  • Used other than figuratively or idiomatically: see nail, it. 

nullify

verb
  • To prevent from happening. 

  • To make of no use or value; to cancel out. 

  • To make legally invalid. 

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