catty vs scales

catty

noun
  • A (unit of) weight used in China, generally standardized as half a kilogram. 

  • A catapult. 

adj
  • Resembling or characteristic of a cat. 

  • With subtle hostility in an effort to hurt, annoy, or upset, particularly among women. 

scales

noun
  • A device for measuring weight. 

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