pilot vs wheel arch

pilot

noun
  • A person authorised to drive such a vehicle during an escort. 

  • A person who steers a ship, a helmsman. 

  • A pilot light. 

  • A short plug, sometimes made interchangeable, at the end of a counterbore to guide the tool. 

  • A guide book for maritime navigation. 

  • A racing driver. 

  • An instrument for detecting the compass error. 

  • Something serving as a test or trial. 

  • The heading or excavation of relatively small dimensions, first made in the driving of a larger tunnel. 

  • A sample episode of a proposed TV series produced to decide if it should be made or not. If approved, typically the first episode of an actual TV series. 

  • A person who is in charge of the controls of an aircraft. 

  • One who flies a kite. 

  • A cowcatcher. 

  • A person who knows well the depths and currents of a harbor or coastal area, who is hired by a vessel to help navigate the harbor or coast. 

  • A guide or escort through an unknown or dangerous area. 

  • A pilot vehicle. 

verb
  • To guide (a vessel) through coastal waters. 

  • To serve as the leading locomotive on a double-headed train. 

  • To control (an aircraft or watercraft). 

  • To test or have a preliminary trial of (an idea, a new product, etc.) 

adj
  • Being a vehicle to warn other road users of the presence of an oversize vehicle/combination. 

  • Used to control or activate another device. 

  • Made or used as a test or demonstration of capability. 

wheel arch

noun
  • The shaped part of the bodywork of a car or other vehicle that allows the wheel to be accessed, and in the case of front wheels, enable them to be steered. 

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