blarney vs suasion

blarney

noun
  • Persuasive flattery or kind speech; smooth, wheedling talk. 

  • Ability to talk constantly and fluently. 

  • Mindless chatter. 

verb
  • To beguile with flattery. 

suasion

noun
  • The act of urging or influencing; persuasion. 

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