boutonniere vs jardinière

boutonniere

noun
  • A small flower or bunch of flowers worn in a buttonhole or pinned to the lapel of a jacket. 

jardinière

noun
  • An ornamental pot for the display of live or cut flowers; a planter. 

  • A vegetable soup or sauce. 

  • A lappet forming part of an old headdress. 

  • Diced, cooked vegetables served as a garnish. 

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