fol-de-rol vs rigamajig

fol-de-rol

noun
  • A gaudy thing of little value; a trinket. 

  • Excessive efforts expended on a something trivial; much ado about nothing. 

  • Nonsense. 

intj
  • Nonsense word traditional to English ballads and madrigals. 

rigamajig

noun
  • A thingy; a miscellaneous or nameless object. 

How often have the words fol-de-rol and rigamajig occurred in a corpus of books? (source: Google Ngram Viewer )