rara avis vs wonder

rara avis

noun
  • A rare or unique, and thus outstanding or unusual, person or thing; a rare bird. 

  • A rare species or type of bird. 

wonder

noun
  • Something astonishing and seemingly inexplicable. 

  • Something that causes amazement or awe; a marvel. 

  • A kind of donut; a cruller. 

  • Someone very talented at something, a genius. 

  • A mental pondering, a thought. 

  • The sense or emotion which can be inspired by something curious or unknown; surprise; astonishment, often with awe or reverence. 

verb
  • To be affected with surprise or admiration; to be struck with astonishment; to be amazed; to marvel; often followed by at. 

  • To ponder; to feel doubt and curiosity; to query in the mind. 

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