length vs metre

length

noun
  • The distance measured along the longest dimension of an object. 

  • The number of cards held in a particular suit. 

  • duration. 

  • A unit of script length, comprising 42 lines. 

  • The length of a horse, used to indicate the distance between horses at the end of a race. 

  • Part of something that is long; a physical piece of something. 

  • Distance between the two ends of a line segment. 

  • The distance down the pitch that the ball bounces on its way to the batsman. 

  • Total extent. 

metre

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. 

verb
  • To put into metrical form. 

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