kitty cat vs tabby

kitty cat

tabby

verb
  • To give a wavy or watered appearance to (a textile). 

adj
  • Having a wavy or watered appearance. 

  • Brindled; diversified in color. 

noun
  • A mixture of lime with shells, gravel, or stones, in equal proportions, with an equal proportion of water. When dry, this becomes as hard as rock. 

  • A brindled cat. 

  • A kind of waved silk, usually called watered silk, manufactured like taffeta, but thicker and stronger. The watering is given to it by calendering. 

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