cotillion vs tutu

cotillion

noun
  • A kind of woollen material for women's skirts. 

  • The music regulating the cotillion. 

  • A bold dance performed in groups of eight where women lift their skirts to display their ankles. 

verb
  • To dance the cotillion. 

tutu

noun
  • A ballet skirt made of layered stiff but light netting. 

  • Any of the genus Coriaria of shrubs and trees found in New Zealand. 

verb
  • to fiddle or mess around with something. 

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