prong vs spire

prong

noun
  • A thin, pointed, projecting part, as of an antler or a fork or similar tool. A tine. 

  • The penis. 

  • A branch; a fork. 

verb
  • To pierce or poke with, or as if with, a prong. 

spire

noun
  • A sharp or tapering point. 

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

  • 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. 

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 prong and spire occurred in a corpus of books? (source: Google Ngram Viewer )