metrical foot vs rhyme

metrical foot

noun
  • The basic unit of the underlying rhythm of verse 

rhyme

noun
  • A thought expressed in verse; a verse; a poem; a tale told in verse. 

  • A word that rhymes with another, in that it is pronounced identically with the other word from the vowel in its stressed syllable to the end. 

  • rime 

  • A word that rhymes with another. 

  • Rhyming verse (poetic form) 

  • Rhyming: sameness of sound of part of some words. 

verb
  • To somewhat resemble or correspond with. 

  • Of a word, to be pronounced identically with another from the vowel in its stressed syllable to the end. 

  • To compose or treat in verse; versify. 

  • Of two or more words, to be pronounced identically from the vowel in the stressed syllable of each to the end of each. 

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