curious vs quaint

curious

adj
  • Leading one to ask questions about; somewhat odd, out of the ordinary, or unusual. 

  • Containing or pertaining to trivalent curium. 

  • Tending to ask questions, or to want to explore or investigate; inquisitive; (with a negative connotation) nosy, prying. 

  • Caused by curiosity. 

quaint

adj
  • Strange or odd; unusual. 

  • Pleasingly unusual; especially, having old-fashioned charm. 

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