nah vs nope

nah

intj
  • here! (when giving something). 

  • No. 

nope

particle
  • No. 

noun
  • A negative reply, no. 

  • An intensely undesirable thing, such as a circumstance or an animal, eliciting immediate repulsion without possibility of further consideration. 

  • A blow to the head. 

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