jewellery vs regalia

jewellery

noun
  • Collectively, personal ornamentation such as rings, necklaces, brooches and bracelets, made of precious metals and sometimes set with gemstones. 

regalia

noun
  • The emblems, symbols, or paraphernalia indicative of royalty or any other sovereign status; such as a crown, orb, sceptre or sword. 

  • Traditional dress and accessories of North American Indigenous nations worn for ritual purposes. 

  • Royal rights, prerogatives and privileges actually enjoyed by any sovereign, regardless of his title (emperor, grand duke etc.). 

  • Finery, magnificent dress, or lavish or flashy costume. 

  • Decorations or insignia indicative of an office or membership of an order or society; such as freemasonry. 

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