elevation vs plunge

elevation

noun
  • The act of raising from a lower place, condition, or quality to a higher; said of material things, persons, the mind, the voice, etc. 

  • That which is raised up or elevated; an elevated place or station. 

  • The raising of the host—representing Christ’s body—in a mass or Holy Communion service. 

  • The angle which the gnomon makes with the substylar line. 

  • The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line of sight; distinguished from direction. 

  • The condition of being or feeling elevated; heightened; exaltation. 

  • A geometrical projection of a building, or other object, on a plane perpendicular to the horizon; orthographic projection on a vertical plane; called by the ancients the orthography. 

  • A hill is an elevation of the ground. 

  • The distance of a celestial object above the horizon, or the arc of a vertical circle intercepted between it and the horizon; altitude. 

  • The measured vertical distance from the peak of a mountain or hill to its bordering lowlands. 

plunge

noun
  • The act of plunging or submerging. 

  • Heavy and reckless betting in horse racing; hazardous speculation. 

  • A dive, leap, rush, or pitch into (into water). 

  • The act of pitching or throwing oneself headlong or violently forward, like an unruly horse. 

verb
  • To pitch or throw oneself headlong or violently forward, as a horse does. 

  • To bet heavily and recklessly; to risk large sums in gambling. 

  • To thrust into liquid, or into any penetrable substance; to immerse. 

  • To cast, stab or throw into some thing, state, condition or action. 

  • To fall or rush headlong into some thing, action, state or condition. 

  • To remove a blockage by suction. 

  • To dive, leap or rush (into water or some liquid); to submerge oneself. 

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