heft vs portage

heft

noun
  • Weight. 

  • Heaviness, the feel of weight; heftiness. 

  • A piece of mountain pasture to which a farm animal has become hefted (accustomed). 

  • Poor condition in sheep caused by mineral deficiency. 

  • The act or effort of heaving; violent strain or exertion. 

  • Influence; importance. 

  • A number of sheets of paper fastened together, as for a notebook. 

  • An animal that has become hefted thus. 

  • A part of a serial publication. 

verb
  • To make (a farm animal, especially a flock of sheep) accustomed and attached to an area of mountain pasture. 

  • To test the weight of something by lifting it. 

  • To lift up; especially, to lift something heavy. 

portage

noun
  • Carrying capacity; tonnage. 

  • 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. 

  • A porthole. 

verb
  • To carry a boat overland 

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