abstain vs stay out

abstain

verb
  • Refrain from (something or doing something); keep from doing, especially an indulgence. 

  • Deliberately refrain from casting one's vote at a meeting where one is present. 

stay out

verb
  • to avoid going into somewhere 

  • to spend time out of one's house. 

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