respire vs roar

respire

verb
  • To (inhale and) exhale; to breathe. 

  • To take up oxygen and produce carbon dioxide through oxidation. 

  • To breathe in and out successively. 

  • To recover one's breath or breathe easily following stress. 

roar

verb
  • To cry aloud; to proclaim loudly. 

  • Of animals (especially a lion), to make a loud deep noise. 

  • To make a loud noise in breathing, as horses do when they have a certain disease. 

  • To proceed vigorously. 

  • To be boisterous; to be disorderly. 

  • Generally, of inanimate objects etc., to make a loud resounding noise. 

  • To laugh in a particularly loud manner. 

  • To make a loud, deep cry, especially from pain, anger, or other strong emotion. 

  • to cry 

noun
  • A loud resounding noise. 

  • A show of strength or character. 

  • The deep cry of the bull. 

  • A long, loud, deep shout, as of rage or laughter, made with the mouth wide open. 

  • The cry of the lion. 

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