baby of the family vs tiny

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. 

tiny

noun

  • A small child; an infant. 

  • Anything very small. 

adj

  • Very small. 

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