importation vs inflood

importation

noun
  • The act or an instance of carrying or conveying, especially into some system, place, area or country. 

  • That which is imported; commodities or wares introduced into a country from abroad. 

  • The use of a term which consists of formally foreign elements. 

  • The act or an instance of importing. 

  • The logical law (P→(Q→R))⇒((P∧Q)→R). 

inflood

noun
  • The act or process of flooding or flowing in; an inflow or influx. 

verb
  • Of a river, water, etc.: to flood or flow into (a place). 

  • To flood or flow in; to inflow. 

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