cheeky vs mannerless

cheeky

adj
  • Impudent; impertinent; impertinently bold, often in a way that is regarded as endearing or amusing. 

  • Poisonous (of animals such as snakes), dangerous, cunning, violent, potent. 

  • Indulged in. 

  • (of swimwear, underwear, etc.) tending to reveal the cheeks of the buttocks. 

mannerless

adj
  • lacking good manners; impolite; ill-bred 

  • clumsy; graceless 

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