runt of the litter vs tiny

runt of the litter

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

tiny

noun
  • A small child; an infant. 

  • Anything very small. 

adj
  • Very small. 

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