betray vs go west

betray

verb
  • To lead astray; to seduce (as under promise of marriage) and then abandon. 

  • To violate the confidence of, by disclosing a secret, or that which one is bound in honor not to make known. 

  • To prove faithless or treacherous to, as to a trust or one who trusts; to be false to; to deceive. 

  • To deliver into the hands of an enemy by treachery or fraud, in violation of trust; to give up treacherously or faithlessly. 

  • To disclose or indicate, for example something which prudence would conceal; to reveal unintentionally. 

  • To mislead; to expose to inconvenience not foreseen; to lead into error or sin. 

go west

verb
  • Synonym of set: to move toward the western horizon, to go down. 

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

  • To move to the American West, particularly (historical) during the 19th century era. 

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