baby vs nodding acquaintance

baby

noun
  • A person who is new to or inexperienced in something. 

  • Unborn young; a fetus. 

  • A pet project or responsibility. 

  • An affectionate term for anything. 

  • The lastborn of a family; the youngest sibling, irrespective of age. 

  • A very young human, particularly from conception or birth to a couple of years old or until walking is fully mastered. 

  • A form of address to a person considered to be attractive. 

  • A concept or creation endeared by its creator. 

  • One who is new to an identity or community. 

  • A term of endearment used to refer to or address one's girlfriend, boyfriend or spouse. 

  • A person's romantic partner. 

  • Any very young animal, especially a vertebrate; many species have specific names for their babies, such as kittens for the babies of cats, puppies for the babies of dogs, and chicks for the babies of birds. See Category:Baby animals for more. 

  • A person who is immature, infantile or feeble. 

verb
  • To tend (something) with care; to be overly attentive to (something), fuss over. 

  • To coddle; to pamper somebody like an infant. 

adj
  • Like or pertaining to a baby, in size or youth; small, young. 

  • Picked when small and immature (as in baby corn, baby potatoes). 

  • Newest (overall, or in some group or state), most inexperienced. 

nodding acquaintance

noun
  • Someone who is a remote or passing acquaintance. 

  • A casual or partial familiarity; a relationship which is not close or fully developed; an inexact understanding (of something). 

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