raik vs tour

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. 

tour

verb
  • To make a journey 

  • To make a circuit of a place 

noun
  • A trip taken to another country in which several matches are played. 

  • A set of competitions which make up a championship. 

  • A tour of duty. 

  • A circuit of snooker tournaments 

  • A street and road race, frequently multiday. 

  • A journey through a particular building, estate, country, etc. 

  • A guided visit to a particular place, or virtual place. 

  • A journey through a given list of places, such as by an entertainer performing concerts. 

  • A closed trail. 

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