high-power vs overwhelming

high-power

adj
  • Synonym of high-powered 

overwhelming

adj
  • Overpowering, staggering, or irresistibly strong. 

  • Very great or intense. 

  • Extreme. 

noun
  • A situation of being overwhelmed. 

How often have the words high-power and overwhelming occurred in a corpus of books? (source: Google Ngram Viewer )