pike vs ridge

pike

noun
  • Especially in place names: a hill or mountain, particularly one with a sharp peak or summit. 

  • A large haycock (“conical stack of hay left in a field to dry before adding to a haystack”). 

  • Any carnivorous freshwater fish of the genus Esox, especially the northern pike, Esox lucius. 

  • A very long spear used two-handed by infantry soldiers for thrusting (not throwing), both for attacks on enemy foot soldiers and as a countermeasure against cavalry assaults. 

  • A sharp, pointed staff or implement. 

  • A position with the knees straight and a tight bend at the hips with the torso folded over the legs, usually part of a jack-knife. 

  • A gypsy, itinerant tramp, or traveller from any ethnic background; a pikey. 

verb
  • To equip with a turnpike. 

  • To assume a pike position. 

  • Often followed by on or out: to quit or back out of a promise. 

  • To prod, attack, or injure someone with a pike. 

  • To bet or gamble with only small amounts of money. 

ridge

noun
  • A chain of mountains. 

  • A chain of hills. 

  • The back of any animal; especially the upper or projecting part of the back of a quadruped. 

  • Any extended protuberance; a projecting line or strip. 

  • The line along which two sloping surfaces meet which diverge towards the ground. 

  • A long narrow elevation on an ocean bottom. 

  • The highest portion of the glacis proceeding from the salient angle of the covered way. 

  • An elongated region of high atmospheric pressure. 

  • The highest point on a roof, represented by a horizontal line where two roof areas intersect, running the length of the area. 

verb
  • To form into a ridge 

  • To extend in ridges 

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