kiasi vs scrubber

kiasi

noun
  • A kiasi person. 

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

scrubber

noun
  • A dirty or unhygienic person. 

  • Someone who lives in the bush; a wild person, someone only partly assimilated into society. 

  • A prostitute or a slovenly woman. 

  • A machine for washing leather after the tanpit. 

  • A person or appliance that cleans floors or similar by scrubbing. 

  • An animal (especially cattle) that has broken away from the herd and established itself in the bush. 

  • A device that removes impurities from gases. 

  • A horizontal bar allowing the user to set the playback position. 

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