nadir vs spire

nadir

noun
  • The point of the celestial sphere, directly opposite the zenith; inferior pole of the horizon; point of the celestial sphere directly under the place of observation. 

  • The lowest point; time of greatest depression. 

  • The axis of a projected conical shadow; the direction of the force of gravity at a location; down. 

verb
  • To extend (a beehive) by adding an empty box at the base. 

spire

noun
  • The top, or uppermost point, of anything; the summit. 

  • A tapering structure built on a roof or tower, especially as one of the central architectural features of a church or cathedral roof. 

  • One of the sinuous foldings of a serpent or other reptile; a coil. 

  • A young shoot of a plant; a spear. 

  • A tube or fuse for communicating fire to the charge in blasting. 

  • A spiral. 

  • The part of a spiral generated in one revolution of the straight line about the pole. 

  • Any of various tall grasses, rushes, or sedges, such as the marram, the reed canary-grass, etc. 

  • A sharp or tapering point. 

verb
  • to sprout, to send forth the early shoots of growth; to germinate. 

  • To furnish with a spire. 

  • To grow upwards rather than develop horizontally. 

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