freight vs portage

freight

verb
  • Chiefly followed by up: to carry as part of a cargo. 

  • To load or store (goods, etc.). 

  • To transport (goods). 

  • To carry (something) as if it is a burden or load. 

  • To load (a vehicle or vessel) with freight (cargo); also, to hire or rent out (a vehicle or vessel) to carry cargo or passengers. 

noun
  • Payment for transportation. 

  • Goods or items in transport; cargo, luggage. 

  • A burden, a load. 

  • The transportation of goods (originally by water; now also (chiefly US) by land); also, the hiring of a vehicle or vessel for such transportation. 

  • Cultural or emotional associations. 

portage

verb
  • To carry a boat overland 

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. 

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