spat vs wheel arch

spat

noun
  • A piece of bodywork that covers the upper portions of the rear tyres of a car. 

  • A covering or decorative covering worn over a shoe. 

  • A brief argument, falling out, quarrel. 

  • A juvenile shellfish which has attached to a hard surface. 

  • A drag-reducing aerodynamic fairing covering the upper portions of the tyres of an aeroplane equipped with non-retractable landing gear. 

  • An obsolete unit of distance in astronomy (symbol S), equal to one billion kilometres. 

  • A light blow with something flat. 

  • The spawn of shellfish, especially oysters and similar molluscs. 

verb
  • To slap, as with the open hand; to clap together, as the hands. 

  • To spawn. Used of shellfish as above. 

  • To quarrel or argue briefly. 

  • To strike with a spattering sound. 

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 spat and wheel arch occurred in a corpus of books? (source: Google Ngram Viewer )