disreputable vs sheisty

disreputable

adj

  • Not respectable, lacking repute; discreditable. 

noun

  • A person who is not reputable. 

sheisty

adj

  • unscrupulous 

  • shifty, untrustworthy 

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