leed vs leitmotif

leed

noun
  • A constant or repeated line or verse; theme. 

  • A strain in a rhyme, song, or poem; refrain; flow. 

  • Patter; rigmarole. 

  • The speech of a person or class of persons; form of speech; talk; utterance; manner of speaking or writing; phraseology; diction. 

  • Language; tongue. 

  • A national tongue (in contrast to a foreign language). 

leitmotif

noun
  • A recurring theme. 

  • A melodic theme associated with a particular character, place, thing or idea in an opera. 

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