half-pint vs runt of the litter

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. 

runt of the litter

noun
  • the smallest and weakest person in a group, especially a group of siblings 

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