portage vs transmit

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. 

transmit

verb
  • To send or convey something from one person, place or thing to another. 

  • To spread or pass on something such as a disease or a signal. 

  • To communicate news or information. 

  • To convey energy or force through a mechanism or medium. 

  • To impart, convey or hand down something by inheritance or heredity. 

  • To send out a signal (as opposed to receive). 

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