baby vs tweenie

baby

noun
  • A person who is immature, infantile or feeble. 

  • 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 new to or inexperienced in something. 

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. 

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

  • To coddle; to pamper somebody like an infant. 

tweenie

noun
  • A child who is not quite old enough to be a teenager; a tweenager. 

  • A shot that is hit between the legs; a tweener. 

  • A 650-watt fresnel motion picture lighting instrument first manufactured by the Mole-Richardson Company. 

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