sigh vs snorkel

sigh

verb
  • To exhale (the breath) in sighs. 

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

  • To lament; to grieve. 

  • To make a sound like sighing. 

noun
  • A person who is bored. 

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

  • a manifestation of grief; a lament. 

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

snorkel

verb
  • To use a snorkel. 

noun
  • A snorkel parka. 

  • A retractable tube fitted in diesel-engine submarines to allow sufficient ventilation that the engines may be used at periscope depth. 

  • A hollow tube, held in the mouth, or mounted on and opening into a diving mask, used by swimmers for breathing underwater. 

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