effusion vs vaunt

effusion

noun
  • An outpouring of speech or emotion. 

  • Process of gases passing through a hole or holes considerably smaller than the mean free path of the gas molecules. 

  • The seeping of fluid into a body cavity; the fluid itself. 

  • A liquid outpouring. 

vaunt

noun
  • A boast; an instance of vaunting. 

verb
  • To speak boastfully about. 

  • To boast of; to make a vain display of; to display with ostentation. 

  • To speak boastfully. 

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