glee vs motif

glee

noun
  • An unaccompanied part song for three or more solo voices, not necessarily merry. 

  • Music; minstrelsy; entertainment. 

  • Joy; happiness; great delight, especially from one's own good fortune or from another's misfortune. 

verb
  • To sing a glee (unaccompanied part song). 

motif

noun
  • A short melodic or lyrical passage that is repeated in several parts of a work. 

  • In a nucleotide or aminoacid sequence, pattern that is widespread and has, or is conjectured to have, a biological significance. 

  • A decorative figure that is repeated in a design or pattern. 

  • A decorative appliqué design or figure, as of lace or velvet, used in trimming. 

  • A basic element of a move in terms of why the piece moves and how it supports the fulfilment of a stipulation. 

  • The physical object or objects repeated at each point of a lattice. Usually atoms or molecules. 

  • A recurring or dominant element; an artistic theme. 

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