headway vs scutter

headway

noun
  • Progress toward a goal. 

  • The interval of time or distance between the fronts of two vehicles (e.g. buses) moving in succession in the same direction, especially along the same pre-determined route. 

  • Movement ahead or forward. 

  • Forward motion, or its rate. 

  • A cross-heading. 

  • The clearance beneath an object, such as an arch, ceiling or bridge; headroom. 

scutter

noun
  • A hasty run. 

  • Thin excrement. 

verb
  • To run with a light pattering noise; to skitter. 

  • To void thin excrement. 

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