osmosis vs portage

osmosis

noun
  • The net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane. 

  • Passive absorption or impartation of information, habits, etc.; the act of teaching or picking up knowledge incidentally, without actually seeking that particular knowledge. 

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 osmosis and portage occurred in a corpus of books? (source: Google Ngram Viewer )