irritate vs steam up

irritate

verb
  • To cause or induce displeasure or irritation. 

  • To induce pain in (all or part of a body or organism). 

  • To provoke impatience, anger, or displeasure in. 

steam up

verb
  • To become coated with condensation. To fog up. 

  • To become steamy. 

  • To bring (a steam boiler) up to working steam pressure. 

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