raik vs shuttle

raik

verb
  • To roam or wander through (somewhere). 

  • Of animals (especially sheep): to graze. 

  • To walk; to roam, to wander. 

noun
  • A walk, or a journey taken (especially on foot); the act of taking a walk or journey. 

  • The pastureland over which animals graze; a range, a stray. 

  • The movement of animals while grazing. 

  • A journey to transport something between two places; a run; also, the quantity of items so transported. 

shuttle

verb
  • To go back and forth between two places. 

  • To transport by shuttle or by means of a shuttle service. 

noun
  • The sliding thread holder in a sewing machine, which carries the lower thread through a loop of the upper thread, to make a lock stitch. 

  • A transport service (such as a bus or train) that goes back and forth between two or more places. 

  • A tool used to carry the woof back and forth between the warp threads on a loom. 

  • A shutter, as for a channel for molten metal. 

  • Any other item that moves repeatedly back and forth between two positions, possibly transporting something else with it between those points (such as, in chemistry, a molecular shuttle). 

  • A shuttlecock. 

  • Such a transport vehicle; a shuttle bus; a space shuttle. 

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