inefficient vs kiasi

inefficient

adj
  • Incapable of, or indisposed to, effective action; habitually slack or unproductive; effecting little or nothing 

  • Not efficient; not producing the effect intended or desired; inefficacious 

noun
  • A person who cannot or does not work efficiently. 

kiasi

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

noun
  • A kiasi person. 

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