assertory vs cocky

assertory

adj

  • Affirming; maintaining. 

cocky

adj

  • Overly confident; arrogant and boastful. 

noun

  • A (familiar name for a) cockatoo. 

verb

  • To operate a small-scale farm. 

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