pubescent vs tweenie

pubescent

noun
  • An individual who is going through puberty. 

  • Synonym: See Thesaurus:pubescent 

adj
  • At or just after the age of puberty. 

  • Covered with down or fine hairs. 

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 pubescent and tweenie occurred in a corpus of books? (source: Google Ngram Viewer )