blockage vs current

blockage

noun
  • Synonym of constipation (“impairment of feces passage”). 

  • The thing that is the cause of such a state, blocking a passage. 

  • The state or condition of being blocked. 

  • Synonym of thrombosis, synonym of thromboembolism, or synonym of embolism. 

current

noun
  • a tendency or a course of events 

  • The generally unidirectional movement of a gas or fluid. 

  • the amount of electric charge flowing in each unit of time. 

  • The part of a fluid that moves continuously in a certain direction, especially (oceanography) short for ocean current. 

adj
  • Electric; of or relating to electricity. 

  • Generally accepted, used, practiced, or prevalent at the moment. 

  • Existing or occurring at the moment. 

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