extrude vs perspire

extrude

verb
  • To expel; to drive off. 

  • To push or thrust out. 

  • To form or shape (a metal, plastic etc.) by forcing it through a die or an opening. 

perspire

verb
  • To be evacuated or excreted, or to exude, through the pores of the skin. 

  • To emit (sweat or perspiration) through the skin's pores. 

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