exude vs give off

exude

verb
  • To discharge through pores or incisions, as moisture or other liquid matter; to give out. 

  • To flow out through the pores. 

  • To give off or radiate a certain quality or emotion, often strongly. 

give off

verb
  • To emit; to produce and send forth; to come across in some manner. 

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