bruising vs powerhouse

bruising

noun
  • Bruises on a person's skin. 

  • A violent physical attack on a person. 

adj
  • That bruises. 

  • Wearisome, arduous. 

powerhouse

noun
  • A very good hand of cards, likely to win. 

  • A power station; the building housing a power station 

  • Any source of power, energy or strength; a source of influence or inspiration 

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