cruet vs vacuum bottle

cruet

noun
  • A small bottle or container used to hold a condiment, such as salt, pepper, oil, or vinegar, for use at a dining table. 

  • A small vessel used to hold wine or water for the Eucharist. 

  • A stand for these containers. 

vacuum bottle

noun
  • Synonym of vacuum flask 

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