baby of the family vs runt

baby of the family

noun
  • The youngest member of an immediate family. 

  • A member of an immediate family who behaves as, or is treated as though they were the youngest member of a family. 

  • An adult member of an immediate family who is treated by others in the family, especially the parents, as though they were a child. 

runt

noun
  • The smallest child in the family. 

  • The smallest animal of a litter. 

  • A bow. 

  • An uninfluential or unimportant person; a nobody. 

  • A breed of pigeon related to the carrier pigeon. 

  • An Ethernet packet that does not meet the medium's minimum packet size of 64 bytes. 

  • Undersized or stunted plant, animal or person. 

  • A single word (or portion of a hyphenated word) that appears as the last line of a paragraph. 

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