faint vs sag

faint

verb
  • To lose courage or spirit; to become depressed or despondent. 

  • To decay; to disappear; to vanish. 

  • To lose consciousness through a lack of oxygen or nutrients to the brain, usually as a result of suddenly reduced blood flow (may be caused by emotional trauma, loss of blood or various medical conditions). 

adj
  • Lacking strength; weak; languid; inclined to lose consciousness 

  • Performed, done, or acted, weakly; not exhibiting vigor, strength, or energy 

  • Slight; minimal. 

  • Barely perceptible; not bright, or loud, or sharp 

  • Lacking courage, spirit, or energy; cowardly; dejected 

noun
  • The act of fainting, syncope. 

  • The state of one who has fainted; a swoon. 

sag

verb
  • To lose firmness, elasticity, vigor, or a thriving state; to sink; to droop; to flag; to bend; to yield, as the mind or spirits, under the pressure of care, trouble, doubt, or the like; to be unsettled or unbalanced. 

  • To cause to bend or give way; to load. 

  • To wear one's trousers so that their top is well below the waist. 

  • To pull down someone else's pants. 

  • To loiter in walking; to idle along; to drag or droop heavily. 

  • To sink, in the middle, by its weight or under applied pressure, below a horizontal line or plane. 

  • To lean, give way, or settle from a vertical position. 

noun
  • The state of sinking or bending; a droop. 

  • The difference in height or depth between the vertex and the rim of a curved surface, specifically used for optical elements such as a mirror or lens. 

  • The difference in elevation of a wire, cable, chain or rope suspended between two consecutive points. 

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