portage vs transportation

portage

noun
  • An act of carrying, especially the carrying of a boat overland between two waterways. 

  • The route used for such carrying. 

  • The wages paid to a sailor when in port, or for a voyage. 

  • A charge made for carrying something. 

  • Carrying capacity; tonnage. 

  • A porthole. 

verb
  • To carry a boat overland 

transportation

noun
  • The act of transporting, or the state of being transported; conveyance, often of people, goods etc. 

  • A ticket or fare. 

  • Deportation to a penal colony. 

  • A means of conveyance. 

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