half-pint vs little-bitty

half-pint

noun
  • A small or short person. 

  • A unit of volume used for liquids equal to half of a pint. 

  • A small child. 

  • Half a pint of beer or other drink. 

little-bitty

How often have the words half-pint and little-bitty occurred in a corpus of books? (source: Google Ngram Viewer )