mislead vs spearhead

mislead

noun
  • That which is deceptive or untruthful (e.g. a falsehood, deception, untruth, or ruse). 

  • A wrong or bad lead; a leading in the wrong direction. 

verb
  • To lead astray, in a false direction. 

  • To deceptively trick into something wrong. 

  • To deceive by telling lies or otherwise giving a false impression. 

  • To accidentally or intentionally confuse. 

spearhead

noun
  • The leading military unit in an attack. 

  • One who leads or initiates an activity (such as an attack or a campaign). 

  • The pointed head, or end, of a spear. 

  • A player who initiates attacking moves. 

verb
  • To drive or campaign ardently for, as an effort, project, etc. 

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