awnless vs pubescent

awnless

adj
  • Without awns or beard. 

pubescent

adj
  • Covered with down or fine hairs. 

  • At or just after the age of puberty. 

noun
  • An individual who is going through puberty. 

  • Synonym: See Thesaurus:pubescent 

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