candleholder vs cierge

candleholder

noun
  • A device for holding one or more lit candles 

  • A person who holds a candle to assist another person who is working in dim light. 

cierge

noun
  • A wax candle used in religious rites. 

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