kleptocratic vs thievish

kleptocratic

adj
  • Pertaining to a kleptocracy; characterised by rulers or leaders who are thieves. 

thievish

adj
  • Having the manner of a thief; furtive; stealthy. 

  • Having a tendency to steal. 

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