commutation vs raik

commutation

noun
  • The process or habit of journeying to and from work on a regular basis; commuting. 

  • The reversal of an electric current. 

  • The change to a lesser penalty or punishment by the State 

  • Substitution, as a means of discriminating between phonemes. 

  • Substitution of one thing for another; interchange. 

  • Specifically, the substitution of one kind of payment for another, especially a switch to monetary payment from obligations of labour. 

raik

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

  • 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. 

verb
  • To roam or wander through (somewhere). 

  • Of animals (especially sheep): to graze. 

  • To walk; to roam, to wander. 

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