nacreous vs pearly

nacreous

adj
  • Of, or resembling nacre (mother of pearl). 

  • Exhibiting lustrous or rainbow-like colors. 

pearly

adj
  • Resembling or characteristic of a pearl; nacreous. 

  • Of a pale greyish white colour, tinted with blue. 

  • Containing or yielding pearls. 

  • Having a pure sweet tone. 

noun
  • A tooth. 

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