go at vs ignore

go at

verb
  • Used other than figuratively or idiomatically: see go, at. 

  • To try to solve a problem a specific way; to undertake a task. 

  • To initiate an attack on or an argument with. 

ignore

verb
  • To deliberately not listen or pay attention to. 

  • To pretend to not notice someone or something. 

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