portage vs waft

portage

noun
  • A charge made for carrying something. 

  • 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. 

  • Carrying capacity; tonnage. 

  • A porthole. 

verb
  • To carry a boat overland 

waft

noun
  • Something (such as an odor or perfume) that is carried through the air. 

  • A flag used to indicate wind direction or, with a knot tied in the center, as a signal; a waif, a wheft. 

  • A light breeze. 

verb
  • To be moved, or to pass, on a buoyant medium; to float. 

  • To give notice to by waving something; to wave the hand to; to beckon. 

  • To (cause to) float easily or gently through the air. 

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