flam vs untruth

flam

noun
  • A freak or whim; an idle fancy. 

  • Two taps (a grace note followed by a full-volume tap) played very close together in order to sound like one slightly longer note. 

verb
  • To play (notes as) a flam. 

untruth

noun
  • A lie or falsehood. 

  • The condition of being false; truthlessness. 

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