kiasi vs milky

kiasi

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

noun
  • A kiasi person. 

milky

adj
  • Cowardly. 

  • Containing a whitish liquid, juicy. 

  • Containing (an especially large amount of) milk. 

  • Of the black in an image, appearing as dark gray rather than black. 

  • Resembling milk in color, consistency, smell, etc.; consisting of milk. 

  • Immature, childish. 

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