metre vs precedent

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. 

precedent

verb
  • To provide precedents for. 

  • To be a precedent for. 

noun
  • The previous version. 

  • A decided case which is cited or used as an example to justify a judgment in a subsequent case. 

  • An established habit or custom. 

  • An act in the past which may be used as an example to help decide the outcome of similar instances in the future. 

adj
  • Happening or taking place earlier in time; previous or preceding. 

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