blockage vs flowering

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. 

flowering

noun
  • The period of time during which a plant is in flower. 

  • The period of time during which someone or something is at its peak. 

adj
  • Of a plant, that produces flowers. 

  • aflower, in bloom 

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