kiasi vs malefactor

kiasi

noun

  • A kiasi person. 

adj

  • Unwilling to take a chance for fear that something bad or unfavourable will happen; cowardly. 

malefactor

noun

  • An evildoer. 

  • A criminal or felon. 

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