still life vs ébauche

still life

noun
  • A work of art depicting an arrangement of inanimate objects. 

  • A pattern that does not change from one generation to the next. 

ébauche

noun
  • A sketch 

  • The plates and bridges of an unfinished watch 

  • A maquette 

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