last gasp vs sigh

last gasp

noun
  • The last gasp or breath a person takes before death. 

  • The point of death, or the last period of one's life. 

  • A last-gasp moment, attempt, etc. 

sigh

noun
  • A deep, prolonged audible inhale and exhale of breath; as when fatigued, frustrated, grieved, or relieved; the act of sighing. 

  • A person who is bored. 

  • a manifestation of grief; a lament. 

verb
  • To inhale a larger quantity of air than usual, and immediately expel it; to make a deep single audible respiration, especially as the result or involuntary expression of fatigue, exhaustion, grief, sorrow, frustration, or the like. 

  • To utter sighs over; to lament or mourn over. 

  • To exhale (the breath) in sighs. 

  • To express by sighs; to utter in or with sighs. 

  • To lament; to grieve. 

  • To make a sound like sighing. 

intj
  • An expression of fatigue, exhaustion, grief, sorrow, frustration, or the like, often used in casual written contexts. 

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