caterpillar track vs groove

caterpillar track

noun
  • A continuous track in the form of a steel or rubber belt fitted instead of wheels to crawlers, bulldozers, excavators, loaders, backhoes, tanks and similar off-road vehicles. 

groove

noun
  • A racing line, a path across the racing circuit's surface that a racecar will usually track on. (Note: There may be multiple grooves on any particular circuit or segment of circuit) 

  • A long, narrow channel or depression; e.g., such a slot cut into a hard material to provide a location for an engineering component, a tyre groove, or a geological channel or depression. 

  • A shaft or excavation. 

  • The middle of the strike zone in baseball where a pitch is most easily hit. 

  • A fixed routine. 

  • A pronounced, enjoyable rhythm. 

verb
  • To perform, dance to, or enjoy rhythmic music. 

  • To cut a groove or channel in; to form into channels or grooves; to furrow. 

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