escort vs usher

escort

verb
  • To accompany (a person) in order to compel them to go somewhere (e.g. to leave a building). 

  • To go with someone as a partner, for example on a formal date. 

  • To attend to in order to guard and protect; to accompany as a safeguard (for the person escorted or for others); to give honorable or ceremonious attendance to 

noun
  • A sex worker who does not operate in a brothel, but with whom clients make appointments; a call girl or male equivalent. 

  • A guard who travels with a dangerous person, such as a criminal, for the protection of others. 

  • Protection, care, or safeguard on a journey or excursion. 

  • A group of people or vehicles, generally armed, who go with a person or people of importance to safeguard them on a journey or mission. 

  • An accompanying person in such a group. 

  • A group of people attending as a mark of respect or honor. 

  • An accompanying person in a social gathering, etc. 

usher

verb
  • To accompany or escort (someone). 

  • To lead or guide somewhere. 

  • To precede; to act as a forerunner or herald. 

  • To guide people to their seats. 

noun
  • A male escort at a wedding. 

  • A doorkeeper in a courtroom. 

  • A person, in a church, cinema etc., who escorts people to their seats. 

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