lilt vs metre

lilt

noun
  • A lively song or dance; a cheerful tune. 

  • A cheerful or melodious accent when speaking. 

  • Animated, brisk motion; spirited rhythm; sprightliness. 

verb
  • To utter with spirit, animation, or gaiety; to sing with spirit and liveliness. 

  • To sing cheerfully, especially in Gaelic. 

  • To do something rhythmically, with animation and quickness, usually of music. 

metre

noun
  • The rhythm or measure in verse and musical composition. 

  • 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. 

verb
  • To put into metrical form. 

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