effluvious vs poignant

effluvious

adj
  • Of or pertaining to effluvia. 

poignant

adj
  • Neat; eloquent; applicable; relevant. 

  • Incisive; penetrating; piercing. 

  • Evoking strong mental sensation, to the point of distress; emotionally moving. 

  • Piquant, pungent. 

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