metre vs ridge

metre

verb
  • To put into metrical form. 

noun
  • The basic unit of length in the International System of Units (SI: Système International d'Unités), equal to the distance travelled by light in a vacuum in 1/299 792 458 seconds. The metre is equal to 39+⁴⁷⁄₁₂₇ (approximately 39.37) imperial inches. 

  • The rhythm or measure in verse and musical composition. 

ridge

verb
  • To form into a ridge 

  • To extend in ridges 

noun
  • A chain of hills. 

  • A chain of mountains. 

  • 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. 

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