mannerless vs pert

mannerless

adj
  • lacking good manners; impolite; ill-bred 

  • clumsy; graceless 

pert

adj
  • Lively; alert and cheerful; bright. 

  • Attractive. 

  • Well-formed; shapely. 

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