preadolescent vs pubescent

preadolescent

noun
  • A child who has not yet reached puberty. 

adj
  • Of or relating to preadolescence. 

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. 

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