impediment vs plosive

impediment

noun
  • A disability, especially one affecting the hearing or speech. 

  • Baggage, especially that of an army; impedimenta. 

  • A hindrance; that which impedes or obstructs progress. 

plosive

noun
  • Sound produced from opening a previously closed oral passage. 

adj
  • Produced from opening a previously closed oral passage. 

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